Bernard Jacobs

Bernard Jacobs, MD, FACS (1924 – April 19, 1992) was an eminent British-American orthopaedic surgeon, reconstructive spine pioneer, and master surgical educator whose clinical and biomechanical investigations transformed the modern management of cervical spondylosis, subaxial spinal trauma, tandem spinal stenosis, and adolescent hip preservation. Serving as Chief of the Back Service at the Hospital for Special Surgery (HSS), Clinical Professor of Orthopaedic Surgery at Cornell University Medical College, and Chief of Orthopaedic Surgery at the New York Veterans Administration Hospital for more than two decades, Jacobs combined rigorous clinical trial analysis with deep anatomical insight. A founding member of the Cervical Spine Research Society (CSRS), he established definitive surgical criteria for anterior cervical discectomy and fusion (ACDF), delineated the mechanical and traction protocols for subaxial cervical fractures and dislocations, formulated the foundational diagnostic and operative staging principles for coexistent cervical and lumbar stenosis, and co-authored the definitive 300-case end-result study of slipped capital femoral epiphysis (SCFE) establishing that gentle in situ pinning without manipulation is essential to preserve capital femoral head vascularity.

1. The Shoulders of Giants: Historical Context & Significance

During the middle decades of the twentieth century, orthopaedic surgery emerged from an era dominated by corrective cast immobilization, tuberculosis sanatoria, and empirical bone setting into an aggressive operative discipline propelled by internal fixation, arthroplasty, and direct neural decompression. Yet, this rapid surgical expansion outpaced biological and biomechanical comprehension. In spinal surgery, practitioners struggled with high complication rates and poorly understood pathologies. Cervical spondylotic radiculopathy and myelopathy were commonly approached through extensive multi-level posterior laminectomies. By unroofing the spinal canal from behind without addressing the anterior compressive pathology—prominent disc herniations, osteophytic ridges, and uncovertebral spurs—surgeons frequently left neural compression unrelieved while destabilizing the dorsal tension band. This approach regularly precipitated post-laminectomy kyphosis, neurological deterioration, and chronic incapacitating neck pain.

In acute cervical traumatology, management of subaxial fracture-dislocations (C3–C7) was similarly marked by uncertainty and hazard. Clinicians lacked standardized protocols for closed reduction, risking acute spinal cord transection when applying unmonitored skull traction across occult disc ruptures or facet dislocations. Diagnostic ambiguity reached its zenith in elderly and middle-aged patients who presented with combined gait ataxia, hyperreflexia, lower limb heaviness, and neurogenic claudication. Because imaging and electrodiagnostic tools were primitive, clinicians failed to recognize that cervical spondylotic myelopathy and lumbar canal stenosis frequently coexisted in what is known today as tandem spinal stenosis. Misdiagnosed patients underwent unindicated lumbar laminectomies under general anesthesia, only to awaken with irreversible quadriplegia caused by ischemic spinal cord collapse within an unrecognized, critically stenotic cervical canal.

“If I have seen further, it is by standing on the shoulders of giants.”

Sir Isaac Newton (1675) / Bernard of Chartres

Dr. Bernard Jacobs brought surgical discipline, anatomical precision, and longitudinal outcome analysis to these clinical dilemmas. Practicing at the epicenter of American orthopaedic innovation at the Hospital for Special Surgery in New York City, Jacobs bridged the reconstructive traditions of the East Coast with the mechanistic rigor of modern spinal biomechanics. Collaborating with preeminent figures including Philip D. Wilson, Preston A. Wade, and Erich G. Krueger, Jacobs refused to accept empirical dogma. He subjected surgical techniques to rigorous end-result studies, evaluating long-term outcomes across hundreds of consecutive patients to uncover the biological determinants of success and failure.

Modern orthopaedic and reconstructive spine surgeons stand squarely upon Jacobs’s shoulders. In cervical reconstruction, Jacobs provided early, definitive clinical validation for anterior discectomy and interbody fusion (ACDF), establishing that directly excising anterior osteophytes while restoring disc height and sagittal lordosis resolves radiculopathy far more reliably than posterior laminectomy. In cervical traumatology, his 1975 monograph codified the safety margins of skull traction, real-time neurological surveillance, and selective anterior versus posterior stabilization for subaxial facet dislocations. In spinal diagnostics, Jacobs, along with Bernard Ghelman and Peter Marchisello, formulated the definitive surgical staging doctrine for tandem spinal stenosis: always decompress the symptomatic cervical spine before intervening in the lumbar canal. Furthermore, his landmark 300-case investigation of slipped capital femoral epiphysis (SCFE) fundamentally revolutionized pediatric orthopaedics by demonstrating that in situ pinning without manipulative reduction preserves retinacular vascularity and prevents catastrophic avascular necrosis.

2. Early Life, Formative Education & Career Milestones

Education and Formative Surgical Training

Bernard Jacobs was born in London, United Kingdom, in 1924. Reared in the demanding academic traditions of British medical scholarship, he entered University College Hospital Medical School (UCH London), an institution renowned for its foundational contributions to surgical anatomy, physiology, and pathology. Jacobs immersed himself in clinical diagnosis, operative pathology, and patient assessment, graduating with his medical degree in 1948 during the birth of Great Britain’s National Health Service.

Driven by an ambition to advance surgical frontiers in the rapidly expanding American post-war hospital system, Jacobs emigrated to the United States shortly after completing his primary medical qualifications. Embracing his adopted homeland, he became a naturalized United States citizen in 1950. Seeking surgical training of the highest caliber, Jacobs gained acceptance into the orthopaedic residency program at the Hospital for Special Surgery (HSS) in Manhattan, the oldest orthopaedic hospital in the United States and a preeminent international center of musculoskeletal scholarship.

At HSS and its affiliated wards at The New York Hospital-Cornell Medical Center, Jacobs trained under the personal mentorship of legendary surgical masters. Chief among them was Dr. Philip D. Wilson, Surgeon-in-Chief of HSS, whose administrative brilliance and clinical acumen shaped Jacobs’s analytical approach to surgical outcomes. Jacobs also forged a close clinical association with Dr. Preston A. Wade, a pioneer in orthopaedic traumatology and fracture management. Under their guidance, Jacobs cultivated a dual mastery that was rare for his generation: an intense intellectual commitment to reconstructive spinal pathology paired with an expert command of complex skeletal trauma, adolescent hip deformity, and adult joint preservation.

Academic Appointments and Clinical Leadership

Upon completing his formal orthopaedic residency, Jacobs was appointed to the surgical staff of the Hospital for Special Surgery and the faculty of Cornell University Medical College, where he rose through the academic ranks to become Clinical Professor of Orthopaedic Surgery. His diagnostic precision, surgical skill, and dedication to resident education led to his appointment as Chief of the Back Service (Spine Service) at HSS. In this leadership role, Jacobs guided the institution’s spine surgical unit through a transformative era, transitioning clinical practice away from uninstrumented posterior decompressions toward anterior cervical reconstruction and biomechanically grounded spinal arthrodesis.

Concurrent with his leadership at HSS, Jacobs assumed the mantle of Chief of Orthopaedic Surgery at the Veterans Administration (VA) Hospital in New York, a pivotal post he held with distinction for 23 years (1956–1979). The VA Hospital served as a primary training ground for Cornell and HSS orthopaedic residents. In this high-volume clinical environment, Jacobs treated complicated musculoskeletal trauma, post-traumatic deformities, spinal injuries, and chronic degenerative joint disease in military veterans. He established a reputation as an exacting, compassionate surgical educator who demanded rigorous pre-operative planning, absolute anatomical respect, and meticulous postoperative follow-up from every trainee under his charge.

Jacobs’s institutional impact extended into scientific and administrative leadership. In 1968, recognizing that modern orthopaedic surgery required a deep integration with musculoskeletal pathology, Jacobs collaborated with Dr. Philip D. Wilson to recruit Dr. Peter Bullough to the Hospital for Special Surgery. This visionary recruitment led to the establishment of the world-renowned HSS Department of Orthopaedic Pathology, an epicenter of research that unraveled the histopathology of bone necrosis, implant loosening, and degenerative disc disease.

In 1973, Jacobs became a foundational figure on the national and international stage. Recognizing that disorders of the cervical spine were scattered haphazardly across orthopaedics, neurosurgery, radiology, and neurology without collaborative focus, Jacobs joined an elite vanguard of spine surgeons—including J. William Fielding, Lee Riley, and Alice L. Garrett—to participate in the formative founding meeting of the Cervical Spine Research Society (CSRS). As a Founding Member, Jacobs helped draft the organizational constitution and clinical mission of CSRS, establishing a multidisciplinary forum that remains the preeminent international authority on cervical spine pathology.

Jacobs was an active Fellow of the American Academy of Orthopaedic Surgeons (AAOS) and the American College of Surgeons (FACS). He continued to operate, teach, and publish until his life was cut short. Dr. Bernard Jacobs died on April 19, 1992, in New York City at the age of 68, leaving a legacy of surgical literature and generations of trained surgeons who carry his principles into modern operating theaters.

3. Core Orthopaedic Breakthroughs, Eponymous Signs & Innovations

Dr. Bernard Jacobs was an analytical clinical scientist whose work resolved several of the most contentious controversies in twentieth-century orthopaedic surgery. Rather than creating proprietary hardware, Jacobs focused his research on surgical indications, pathomechanics, microvascular biology, and definitive end-result studies. His innovations established enduring standards across cervical spine surgery, spinal traumatology, pediatric hip preservation, and adult trauma reconstruction.

Hallmark Anatomical, Diagnostic and Operative Contributions

• Anterior Cervical Discectomy and Interbody Fusion (ACDF) for Cervical Spondylosis (1970): In a landmark collaborative investigation with neurosurgeons Erich G. Krueger and David M. Leivy published in JAMA, Jacobs provided definitive multi-center clinical and radiographic proof that anterior decompression and autogenous interbody bone grafting reliably resolves radicular compression and halts myelopathy in cervical spondylosis, establishing anterior decompression as the primary operative standard over posterior laminectomy.
• Subaxial Cervical Spine Trauma Protocol (C3–C7 Fractures and Dislocations) (1975): Published in Clinical Orthopaedics and Related Research, this classic monograph codified the comprehensive diagnostic, skeletal traction, closed reduction, and surgical stabilization algorithms for subaxial cervical trauma, introducing structured criteria for closed versus open reduction and anterior versus posterior arthrodesis.
• Coexistence of Cervical and Lumbar Disc Disease & The Tandem Stenosis Surgical Dictum (1990): In a seminal paper in Spine co-authored with Bernard Ghelman and Peter Marchisello, Jacobs characterized the clinical presentation and neuro-radiological features of coexistent cervical and lumbar spinal stenosis, establishing the vital surgical rule that symptomatic cervical cord compression must be decompressed prior to lumbar decompression to prevent catastrophic intraoperative cord ischemia.
• Vascular Preservation Paradigm in Slipped Capital Femoral Epiphysis (SCFE) (1964, 1965): A monumental 300-case end-result follow-up series conducted with Philip D. Wilson (published in Archiv für Orthopädische und Unfall-Chirurgie in 1964 and The Journal of Bone & Joint Surgery in 1965), which conclusively proved that forceful manipulative reduction or acute wedge osteotomies cause retinacular vessel thrombosis and avascular necrosis, firmly establishing gentle in situ pinning as the mandatory standard of care.
• Acromioclavicular Joint Injury End-Result Stratification (1966): In a foundational study with Preston A. Wade in The Journal of Bone & Joint Surgery, Jacobs evaluated long-term functional and radiographic outcomes across operatively and conservatively treated acromioclavicular dislocations, demonstrating that closed, non-operative management yields equivalent or superior functional outcomes in incomplete and moderate sprains while avoiding the frequent hardware failures and infection risks of early surgery.
• Epidemiology and Pathomechanics of Osteonecrosis (1978): A comprehensive CORR monograph analyzing traumatic and non-traumatic avascular necrosis (AVN) of the femoral head, delineating the microvascular thrombosis, marrow fat embolization, and intraosseous hypertension mechanisms that govern osteocytic death and subsequent subchondral fracture collapse.
• Dynamic Sliding Nail Mechanics in Intracapsular Femoral Neck Fractures (1965): A definitive clinical and biomechanical evaluation with Preston A. Wade and Ronald Match in the Journal of Trauma, demonstrating that the telescoping Pugh nail provides controlled fracture impaction along the femoral neck axis, reducing rates of hardware cutout and joint penetration compared to static triflanged nails.

Biomechanical Mechanics, Pathophysiology & Surgical Principles

The core of Dr. Bernard Jacobs’s scientific legacy resides in his insistence on aligning operative intervention with microvascular anatomy and biomechanical realities. Nowhere was this clearer than in his work on tandem spinal stenosis, subaxial cervical trauma, anterior cervical decompression, and slipped capital femoral epiphysis.

Tandem Spinal Stenosis Mechanics and Clinical Sequencing: Prior to Jacobs’s 1990 investigation with Bernard Ghelman and Peter Marchisello, clinicians frequently viewed spinal stenosis as a regional affliction isolated to either the cervical or lumbar spine. Jacobs demonstrated that degenerative spondylosis is often an organ-wide process affecting multiple levels of the axial column simultaneously. When severe canal narrowing coexists in both the cervical and lumbar regions, the clinical presentation becomes deceptively complex: upper motor neuron signs (spastic gait, hyperreflexia, Hoffmann sign, and extensor plantar responses) are frequently masked or blunted by concomitant lower motor neuron compression in the lumbar cauda equina (areflexia, foot drop, and peripheral radiculopathy). Patients often presented complaining primarily of neurogenic claudication—cramping calf pain, paresthesias, and leg fatigue brought on by walking—obscuring subtle, progressive cervical myelopathic hand clumsiness and gait unsteadiness.

Jacobs and his co-authors established the mandatory surgical sequencing dictum that remains an inviolable rule in modern spine surgery: in patients with symptomatic tandem stenosis, the cervical spine must almost invariably be decompressed before any lumbar intervention is contemplated. Jacobs detailed two catastrophic hazards of violating this rule. First, placing a patient with severe, unrecognized cervical cord compression in the prone position under general anesthesia with the neck in slight hyperextension risks mechanical impingement and fatal or quadriplegic cord contusion during positioning. Second, intraoperative fluctuations in mean arterial pressure, routine blood loss, and anesthetic-induced systemic hypotension during prolonged lumbar decompression can precipitate critical spinal cord ischemia within a stenotic, tightly choked cervical canal, leading to irreversible postoperative tetraplegia. Moreover, Jacobs demonstrated that decompressing the cervical cord and resolving pyramidal tract compression frequently improves lower extremity motor control and alleviates what the patient perceived as “lumbar claudication,” often obviating or drastically reducing the magnitude of subsequent lumbar surgery.

Anterior Cervical Discectomy and Interbody Fusion (ACDF) Principles: While George W. Smith, Robert A. Robinson, and Ralph B. Cloward introduced techniques for anterior cervical fusion in the late 1950s, widespread adoption stalled due to technical complications and lingering surgical allegiance to posterior laminectomy. Jacobs, Krueger, and Leivy’s 1970 landmark study provided the rigorous clinical and radiographic outcome validation that propelled anterior cervical surgery into universal acceptance. Jacobs demonstrated that cervical spondylotic radiculopathy and myelopathy are predominantly caused by anterior mechanical compressive lesions: posterolateral disc herniations and osteophytic spurs arising from the uncovertebral joints of Luschka and the vertebral endplates. Posterior laminectomy not only failed to resect these anterior compressive bars, but forced the surgeon to retract the delicate, already compromised nerve root posteriorly across the bony ridge to inspect the ventral canal, inducing permanent radicular deficits.

Jacobs advocated for the direct anterior retrovisceral approach (the Smith-Robinson plane), developing the anatomical corridor medial to the carotid sheath and lateral to the trachea and esophagus. Through complete disc excision and meticulous curettage of the cartilaginous endplates down to bleeding subchondral bone, uncovertebral and posterosuperior osteophytes could be directly visualized and resected under clear illumination. By inserting an autogenous tricortical iliac crest strut graft countersunk into the intervertebral disc space, Jacobs restored intervertebral height, opened the neural foramina indirectly through ligamentotaxis, stabilized the motion segment, and prevented the kyphotic collapse that plagued posterior laminectomy.

Subaxial Cervical Trauma (C3–C7) Mechanics and Reduction Protocol: In his 1975 monograph, Jacobs established systematic management protocols for subaxial cervical fractures and facet dislocations. Distinguishing between unilateral and bilateral locked facets, Jacobs delineated their contrasting mechanical pathology: unilateral facet dislocation involves a combined flexion-rotation vector that disrupts the facet capsule and interspinous ligament on one side, allowing the superior facet to rotate forward and catch in front of the inferior facet; bilateral jumped facets represent a catastrophic hyperflexion-distraction injury with complete rupture of the posterior ligamentous complex, intervertebral disc, and anterior longitudinal ligament. Jacobs codified the protocol of immediate progressive skull traction using Gardner-Wells tongs, beginning with 10 to 15 pounds and incrementally increasing under sequential lateral radiographic and continuous neurological examinations.

Crucially, Jacobs sounded the alarm on occult intervertebral disc herniation occurring during facet dislocation. He demonstrated that applying aggressive traction across a disrupted motion segment containing an extruded disc fragment can displace the fragment posteriorly into the spinal canal, crushing the spinal cord during reduction. In the event of closed reduction failure, Jacobs outlined the operative decision tree: if an anterior extruded disc is present, an anterior discectomy must precede any attempt at reduction to clear the neural canal, followed by anterior plate and strut stabilization; conversely, if the posterior facet complexes are fractured or irreducible without anterior herniation, open posterior facet reduction, unlocking, and interspinous or facet wiring and fusion is indicated.

SCFE Pathomechanics and Retinacular Vascular Preservation: Jacobs’s monumental 300-case follow-up series with Philip D. Wilson represents a turning point in the history of pediatric orthopaedics. Prior to their 1964 and 1965 publications, prevailing surgical dogma viewed slipped capital femoral epiphysis as an acute displacement that demanded anatomical restoration through forceful manipulative reduction under anesthesia, traction in internal rotation, or cuneiform wedge osteotomies through the femoral neck. Jacobs and Wilson demonstrated that these well-intentioned maneuvers resulted in catastrophic complications, reporting rates of avascular necrosis (AVN) of the femoral head as high as 25 to 50 percent and severe chondrolysis.

Jacobs and Wilson unraveled the microvascular anatomy governing the epiphysis. They demonstrated that the terminal blood supply to the capital femoral epiphysis is carried almost exclusively by the posterosuperior and posteroinferior retinacular branches of the lateral epiphyseal artery (arising from the medial femoral circumflex artery), which run tightly adhered within the periosteum along the posterior femoral neck. When the femoral neck displaces anteriorly and rotates externally relative to the posterior and inferiorly displaced epiphysis, these retinacular vessels are stretched taut across the posterior bony callus. Forceful manipulation, acute traction, or wedge resection directly shears, kinks, or tears these tethered vessels, instantly devascularizing the femoral head. Jacobs and Wilson proved that gentle internal fixation in situ—placing central threaded pins across the physis into the center of the femoral head without any attempt at manipulative reduction—permanently halts progression, triggers premature physeal fusion, and protects the precarious retinacular circulation. They demonstrated that the adolescent femoral neck possesses remarkable biological remodeling potential, capable of remodeling the anterior metaphysis and restoring head-neck offset over several years, rendering dangerous acute reductions entirely unnecessary.

Dynamic Impaction in Intracapsular Femoral Neck Fractures: Jacobs and Preston A. Wade’s 1965 investigation into Pugh nail fixation resolved a critical mechanical flaw in intracapsular hip fracture fixation. Rigid, fixed-angle triflanged nails (such as the Smith-Petersen nail) were mechanically static. When natural bone resorption occurred at the necrotic fracture interface during healing, the rigid nail could not slide; as the bone collapsed, the nail protruded through the articular cartilage into the acetabular joint space (penetration) or ripped through the superior femoral neck cortex (cutout). Jacobs, Wade, and Match showed that the telescoping Pugh sliding nail permitted controlled axial impaction under physiological weight-bearing. By allowing the fracture fragments to impact and maintain continuous bone-to-bone contact, dynamic sliding promoted stable secondary bone union and preserved femoral head viability, establishing the core mechanical foundation for modern sliding hip screw (DHS) implants.

4. Master Class Pro-Tip

1. Surgical Sequencing in Tandem Spinal Stenosis: In patients presenting with coexistent symptomatic cervical spondylotic myelopathy and lumbar spinal stenosis, always decompress the cervical spine prior to undertaking lumbar surgery. Prone positioning under general anesthesia with uncorrected, critical cervical canal stenosis carries an extreme risk of intraoperative cervical spinal cord infarction secondary to neck hyperextension, venous engorgement, and systemic hypotension. Furthermore, wide cervical decompression frequently resolves lower extremity spasticity, clonus, and gait disturbance by restoring descending corticospinal conduction, clarifying the true residual extent of lumbar radicular or claudicatory pathology and often reducing the required scope of secondary lumbar surgery.

2. Closed vs. Open Reduction in Subaxial Facet Dislocations (C3–C7): When managing acute unilateral or bilateral jumped facets, perform closed reduction using incremental skull traction (Gardner-Wells tongs) only in an awake, alert patient capable of continuous, real-time neurological feedback, and under continuous lateral fluoroscopic guidance. In an obtunded, non-communicative patient, or whenever closed reduction fails, obtain an immediate emergency magnetic resonance imaging (MRI) scan to evaluate for a traumatic disc herniation prior to further manipulation. If an extruded disc fragment is present behind the displaced vertebral body, closed or posterior open reduction risks pushing disc material against the compressed spinal cord; perform an immediate anterior cervical discectomy to evacuate the canal before reducing the dislocation and stabilizing with an anterior interbody plate. If no anterior disc extrusion exists and closed reduction fails, proceed to posterior open facet unlocking and instrumented fusion.

3. Vascular Preservation in Slipped Capital Femoral Epiphysis (SCFE): In the surgical management of SCFE, never attempt forceful closed reduction, traction, or aggressive internal rotation maneuvers on the fracture table. The blood supply to the femoral head travels within the posterosuperior retinacular vessels of the medial femoral circumflex artery, which are tethered and under extreme tension across the posterior neck. Forceful manipulative reduction shears or kinks these terminal vessels, causing devastating avascular necrosis and chondrolysis. Position the patient gently on the fracture table allowing the leg to rest without forcible rotation. Secure the epiphysis strictly in situ using a single cannulated screw or pin placed centrally into the middle third of the femoral head perpendicular to the physis, stopping at least 5 mm short of subchondral bone. Rely upon the innate biological remodeling potential of the adolescent proximal femur to restore femoral neck contour and head-neck offset over time.

Master Class Surgical Pearl: Tandem Spinal Stenosis, Cervical Facet Reduction, and SCFE Mechanics

5. Primary Landmark Publications & Bibliography

The foundational contributions of Dr. Bernard Jacobs are preserved in these original landmark monographs and peer-reviewed surgical literature:

• Jacobs, B., Krueger, E. G., & Leivy, D. M. (1970). Cervical spondylosis with radiculopathy. Results of anterior diskectomy and interbody fusion. JAMA, 211(13), 2135–2139. doi:10.1001/jama.211.13.2135. [DOI]
• Jacobs, B. (1975). Cervical fractures and dislocations (C3-7). Clinical Orthopaedics and Related Research, (109), 18–32. doi:10.1097/00003086-197506000-00004. [DOI]
• Jacobs, B., Ghelman, B., & Marchisello, P. (1990). Coexistence of cervical and lumbar disc disease. Spine, 15(12), 1261–1264. doi:10.1097/00007632-199012000-00006. [DOI]
• Wilson, P. D., Jacobs, B., & Schecter, L. (1965). Slipped capital femoral epiphysis: An end-result study. The Journal of Bone & Joint Surgery (American Volume), 47(6), 1128–1145. doi:10.2106/00004623-196547060-00002. [DOI]
• Jacobs, B., & Wade, P. A. (1966). Acromioclavicular-joint injury: An end-result study. The Journal of Bone & Joint Surgery (American Volume), 48(3), 475–486. doi:10.2106/00004623-196648030-00006. [DOI]
• Jacobs, B. (1978). Epidemiology of traumatic and nontraumatic osteonecrosis. Clinical Orthopaedics and Related Research, (130), 51–67. doi:10.1097/00003086-197801000-00005. [DOI]
• Jacobs, B., & Wilson, P. D. (1964). The treatment of slipping of the upper femoral epiphysis: A follow-up study of 300 cases. Archiv für Orthopädische und Unfall-Chirurgie, 56(4), 438–448. doi:10.1007/BF00417067. [DOI]
• Mostofi, S. B. (2005). Bernard Jacobs 1924–1992. In Who’s Who in Orthopedics (pp. 160–162). Springer, London. doi:10.1007/1-84628-070-2_120. [DOI]

6. Biographical Provenance & Acknowledgments

This historical biography was synthesized for the OrthopaedicsOne Knowledge Network as part of A Who’s Who of Orthopaedics, adapted and expanded from the foundational biographical directory Who’s Who in Orthopedics (Springer-Verlag London) edited by Seyed B. Mostofi, BSc, MBBS, FRCS (Ed).