Dr. Gilles Bertrand, a luminary in the field of neurosurgery, passed away on February 24 at the remarkable age of 101. Renowned for his technical prowess and compassionate patient care, Dr. Bertrand played a pivotal role in transforming neurosurgical practices during a time when the field was characterised by rudimentary methods and limited understanding of the brain. His contributions, particularly in treating Parkinson’s disease, earned him numerous accolades, including the prestigious Order of Canada.
A Journey from Humble Beginnings
Born on August 5, 1924, in Montreal, Gilles Guy Pierre Bertrand was destined for a life in medicine. He was raised by a microbiologist father and a nursing mother, though his early years were marked by challenges, including a debilitating knee injury that led to a shift from conventional schooling to private tutoring. Despite a backdrop of isolation, his wit and penchant for practical jokes endeared him to peers. At the esteemed Collège Jean-de-Brébeuf, he garnered attention for his intelligence and ambition, famously bringing a pet squirrel to school that once caused a stir during class.
Dr. Bertrand’s academic journey continued at the University of Montreal, where he finished second in his medical class, a position that reportedly “burned him up” with dissatisfaction, as recounted by his daughter, Maryse. Drawn to neurology during a transformative era, he had to navigate a field still mired in outdated beliefs. His contemporaries often attributed neurological disorders to venereal diseases, a notion he found absurd.
The Influence of Wilder Penfield
The Montreal Neurological Institute, under the leadership of the groundbreaking Wilder Penfield, became the crucible for Dr. Bertrand’s formative years. Penfield’s innovative “Montreal procedure” revolutionised epilepsy treatment, allowing surgeons to map the brain’s functions. This environment of exploration and discovery inspired Dr. Bertrand, who sought to push the boundaries of neurosurgery.

As a resident, he endured the challenges of a demanding training regimen, often earning a meagre $25 per month while living in cramped quarters. The experience was grueling, with patients arriving from various accidents, particularly hockey-related injuries during winter months. But it was in this high-pressure setting that Dr. Bertrand honed his skills and developed a deep understanding of patient care.
A Legacy of Compassion and Innovation
Dr. Bertrand’s career flourished as he became the first French-Canadian neurosurgeon on staff at the Montreal Neurological Institute, breaking barriers at a time when francophone practitioners faced significant challenges. His reputation grew as he treated complex cases with remarkable skill, particularly in Parkinson’s disease, where he was known for his ability to induce immediate relief during surgeries.
He collaborated with colleagues to develop a pioneering computerized brain atlas that enhanced surgical precision, marking a significant advancement in the field. His meticulous approach and deep knowledge earned him respect not only from patients but also from fellow surgeons, establishing him as a “surgeon’s surgeon.”
Throughout his tenure, Dr. Bertrand served as neurosurgeon-in-chief at the MNI and held the role of William Cone Professor of Neurosurgery at McGill University. His influence extended beyond the operating theatre, as he cultivated lasting relationships with patients and their families, including notable figures like former Prime Minister Brian Mulroney.
A Multifaceted Life
Beyond the realm of medicine, Dr. Bertrand was a devoted family man. He shared a loving partnership with his wife, Louise, and was an involved father to his three children. His weekends were often spent building snow igloos or sailing, moments that solidified family bonds despite his demanding career.

An accomplished woodworker, he crafted intricate toys and furniture for his grandchildren, finding solace in his workshop during difficult times. Known for his sunny disposition and penchant for storytelling, Dr. Bertrand maintained a zest for life, even in his later years, when he developed a taste for single-malt Scotch.
In his final days, he remained resolute and surrounded by family, sharing a last dram of whisky and enjoying oysters—his final indulgence. His passing marks the end of an era, as a generation of pioneering neurosurgeons passes into memory.
Why it Matters
Dr. Gilles Bertrand’s contributions to neurosurgery represent a profound legacy that transcends the operating room. His commitment to patient care, pioneering spirit, and innovative techniques not only transformed the field but also inspired countless future practitioners. As we reflect on his life, we are reminded of the importance of compassion in medicine and the relentless pursuit of knowledge that defines the best of human endeavour. His journey sheds light on the evolution of neuroscience, a discipline that continues to unlock the mysteries of the human brain, paving the way for future generations.