Harvey Cushing's Canadian connections
Related Experiment Video
Updated: Sep 28, 2026

Adaptation of Semiautomated Circulating Tumor Cell (CTC) Assays for Clinical and Preclinical Research Applications
Published on: February 28, 2014
1Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec, Canada. wfeindel@bic.mni.mcgill.ca
Insights
Harvey Cushing
Area of Science:
- Medical History
- Neurosurgery
- Canadian Medical Development
Background:
- Harvey Cushing, a pioneering neurosurgeon, made eight significant visits to Canada between 1896 and 1934.
- His visits fostered the growth of neurosurgery in Canada, influencing key medical institutions and training.
- Cushing's interactions directly shaped the careers of his students, Wilder Penfield and Kenneth McKenzie, who became leaders in Canadian neurosurgery.
Discussion:
- Cushing's early trips, including one in 1896 to the Maritime Provinces and Montreal, established early connections.
- His 1904 presentation to the Montreal Medico-Chirurgical Society detailed his experience with trigeminal ganglion removals.
- Cushing's 1922 lecture at the University of Toronto funded a fellowship for Kenneth McKenzie, who later established neurosurgical services at Toronto General Hospital.
Key Insights:
- Cushing's influence extended to inaugurating McGill University's new Biology Building in 1922, part of a modernization program.
- He attended the dedication of the Osler Library at McGill in 1929.
- In 1934, Cushing delivered a seminal lecture on neurosurgery philosophy at the opening of the Montreal Neurological Institute, invited by Wilder Penfield.
Outlook:
- Cushing's final visit in 1934 led to his decision to donate his historical book collection to Yale University.
- His legacy is cemented through the establishment of advanced neurosurgical centers and training programs in Canada, inspired by his mentorship.
- The abstract highlights the profound and lasting impact of Harvey Cushing's engagement with Canadian medical professionals and institutions.
Abstract:
During his surgical career between 1896 and 1934, Harvey Cushing made eight visits to Canada. He had a broad impact on Canadian medicine and neurosurgery. Cushing's students Wilder Penfield and Kenneth McKenzie became outstanding leaders of the two major centers in Canada for neurosurgical treatment and training. On his first trip to Canada, shortly after completing his surgical internship in August 1896, Cushing traveled with members of his family through the Maritime Provinces and visited hospitals in Quebec and Montreal. Eight years later, in February 1904, as a successful young neurosurgeon at the Johns Hopkins Hospital, he reported to the Montreal Medico-Chirurgical Society on his surgical experience in 20 cases of removal of the trigeminal ganglion for neuralgia. In 1922, as the Charles Mickle Lecturer at the University of Toronto, Cushing assigned his honorarium of $1000 to support a neurosurgical fellowship at Harvard. This was awarded to McKenzie, then a general practitioner, for a year's training with Cushing in 1922-1923. McKenzie returned to initiate the neurosurgical services at the Toronto General Hospital, where he developed into a master surgeon and teacher. On Cushing's second visit to McGill University in October 1922, he and Sir Charles Sherrington inaugurated the new Biology Building of McGill's Medical School, marking the first stage of a Rockefeller-McGill program of modernization. In May 1929, Cushing attended the dedication of the Osler Library at McGill. In September 1934, responding to the invitation of Penfield, Cushing presented a Foundation Lecture-one of his finest addresses on the philosophy of neurosurgery-at the opening of the Montreal Neurological Institute. On that same trip, Cushing's revisit to McGill's Osler Library convinced him to turn over his own treasure of historical books to Yale University.
Related Concept Videos
Cushing Syndrome I: Introduction
Cushing Syndrome II: Pathophysiology
Huntington Disease l: Introduction
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Criteria for Causality: Bradford Hill Criteria - I
Cancer-Critical Genes I: Proto-oncogenes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...

