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William Osler

William Osler

Born 1849 · Age 176

Canadian physician, founding professor of Johns Hopkins Hospital, creator of the modern medical residency system, prolific author, bibliophile and Regius Professor of Medicine at Oxford.

Total Events
50
Career Span
171 years

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Life & Career Timeline

1849Age 0

Birth in Bond Head, Canada West

Born William Osler in Bond Head (Ontario), son of Reverend Featherstone Lake Osler and Ellen Free Pickton Osler.

7/12/1849Source
Confidence
99%
1857Age 8

Family moves to Dundas, Ontario

Osler was raised in Dundas from 1857 after his father accepted a rectorship there.

1/1/1857Source
Confidence
95%
1864Age 15

Enters Trinity College School (secondary)

Attended Trinity College School (Weston/Dundas area) where he encountered Reverend William Arthur Johnson, early mentor in natural history.

1/1/1864Source
Confidence
75%
1867Age 18

Enters Trinity College, University of Toronto (theology)

Initially studied for the ministry at Trinity College, University of Toronto before switching to medicine.

1/1/1867Source
Confidence
95%
1868Age 19

Enrolls at Toronto School of Medicine

Switched from theology to medical studies, attending the Toronto School of Medicine and studying with Dr. James Bovell.

1/1/1868Source
Confidence
95%
1869Age 20

First publication: 'Christmas and the microscope'

Published one of his earliest pieces on natural history/microscopy as a young medical student.

1/1/1869Source
Confidence
90%
1870Age 21

Accepted into McGill MDCM program (left Toronto School)

Left the Toronto School of Medicine after acceptance to McGill University Faculty of Medicine's MDCM program.

1/1/1870Source
Confidence
85%
1872Age 23

Receives MDCM (MD) from McGill University

Graduated McGill University Faculty of Medicine with MDCM (MD and Master of Surgery), completing medical degree.

1/1/1872Source
Confidence
99%
1872Age 23

Postgraduate studies in London, Berlin and Vienna

Spent ~2 years in Europe for advanced training: London (physiology lab work), Berlin with Rudolf Virchow (pathology), and ward rounds in Vienna.

1/1/1872Source
Confidence
97%
1873Age 23

Described blood platelets; elected to Royal Microscopical Society

Made one of the earliest observations of platelets (May 1873) and was elected to the Royal Microscopical Society.

5/1/1873Source
Confidence
90%
1874Age 25

Discovery: Oslerus osleri (lungworm) reported while teaching pathology

Osler discovered/described a lungworm parasite (Oslerus osleri) while teaching comparative pathology at McGill (approximate date during McGill years).

1/1/1874Source
Confidence
60%
1874Age 25

Appointed Lecturer at McGill University

Returned to Montreal and accepted a lectureship in Institutes of Medicine at McGill; soon introduced courses in histology and pathology.

1/1/1874Source
Confidence
98%
1874Age 25

Pathologist at Montreal General; taught veterinary pathology

Served as pathologist at the Montreal General Hospital, personally performed over 1,000 autopsies and taught comparative/veterinary pathology.

1/1/1874Source
Confidence
90%
1875Age 26

Promoted to Professor at McGill

Rapid promotion within McGill's Faculty of Medicine; became full professor and expanded teaching/departmental duties.

1/1/1875Source
Confidence
90%
1878Age 29

Appointed attending physician, Montreal General Hospital; elected to Royal College of Physicians

Became a full-time attending physician at Montreal General and was elected to the Royal College of Physicians (RCP).

1/1/1878Source
Confidence
90%
1884Age 35

Appointed Chair of Clinical Medicine, University of Pennsylvania

Moved to Philadelphia to become Chair of Clinical Medicine; responsible for clinical lectures, ward rounds and autopsies.

1/1/1884Source
Confidence
98%
1885Age 36

Elected to the American Philosophical Society

Elected as a member of the American Philosophical Society (APS).

1/1/1885Source
Confidence
95%
1885Age 36

Founding member of the Association of American Physicians

One of seven founding members of the AAP, a society devoted to scientific and practical medicine.

1/1/1885Source
Confidence
95%
1889Age 40

Appointed Physician-in-Chief at Johns Hopkins Hospital

Became one of the 'Big Four' founding professors and the first Physician-in-Chief of the new Johns Hopkins Hospital in Baltimore.

1/1/1889Source
Confidence
99%
1889Age 40

Established the modern medical residency/housestaff system at Johns Hopkins

Created the first formal residency program and introduced bedside teaching/clinical clerkship; pioneered full-time sleep-in residents.

1/1/1889Source
Confidence
99%
1889Age 40

Gave farewell address 'Aequanimitas' on leaving Philadelphia

Delivered his well-known farewell address on physician equanimity when departing University of Pennsylvania.

1/1/1889Source
Confidence
95%
1892Age 43

Published The Principles and Practice of Medicine (first edition)

Authored a seminal medical textbook synthesizing clinical experience and contemporary science; influential for decades.

1/1/1892Source
Confidence
97%
1893Age 44

Instrumental in founding Johns Hopkins School of Medicine; professor there

Helped create the Johns Hopkins School of Medicine (opened 1893) and served as one of its first professors of medicine.

1/1/1893Source
Confidence
98%
1895Age 46

Honorary degree from McGill University

Received an honorary doctorate from his alma mater McGill University (honorary degree year cited as 1895).

1/1/1895Source
Confidence
80%
1898Age 49

Elected Fellow of the Royal Society (FRS); multiple honorary degrees

Elected to the Royal Society (FRS) and received honorary degrees (e.g., University of Toronto, Aberdeen around 1898).

1/1/1898Source
Confidence
95%
1898Age 49

Helped found the Association of Medical Librarians (North America)

Instrumental in founding the Association of Medical Librarians (later Medical Library Association) in North America.

1/1/1898Source
Confidence
95%
1901Age 52

President, Medical Library Association (North America)

Served as second president of the Medical Library Association from 1901 to 1904.

1/1/1901Source
Confidence
95%
1901Age 52

Gave latchkeys to house staff; fostered 'latch-keyers' tradition

Known as a mentor who gave select house staff keys to his home library—an informal milestone in his mentoring culture at Johns Hopkins.

1/1/1901Source
Confidence
80%
1904Age 55

Offered Regius Professorship of Medicine at Oxford University

Offered the prestigious Regius Chair at Oxford; he accepted and prepared to relocate from Johns Hopkins.

1/1/1904Source
Confidence
95%
1905Age 55

Gave 'The Fixed Period' speech (controversial on aging)

Delivered 'The Fixed Period' (Feb 22, 1905) expressing controversial views on aging and retirement, attracting wide press coverage.

2/22/1905Source
Confidence
95%
1905Age 55

Took up Regius Professorship of Medicine at Oxford (moved to England)

Assumed the Regius Professorship at Oxford and became a Student (fellow) of Christ Church, Oxford; relocated May 1905.

5/1/1905Source
Confidence
98%
1907Age 58

Initiated the Association of Physicians (UK) and became founding Senior Editor, Quarterly Journal of Medicine

Helped found the Association of Physicians (Great Britain & Ireland) and served as founding Senior Editor of its journal.

1/1/1907Source
Confidence
95%
1911Age 62

Created a baronet (Sir William Osler) in Coronation Honours

Awarded a hereditary knighthood (baronetcy) by King George V in the Coronation Honours list.

1/1/1911Source
Confidence
99%
1911Age 62

Founded Postgraduate Medical Association; became first President

Founded the Postgraduate Medical Association in 1911 and served as its inaugural president.

1/1/1911Source
Confidence
97%
1913Age 64

President, Bibliographical Society of London

Served as president of the Bibliographical Society of London (noted president in 1913).

1/1/1913Source
Confidence
85%
1917Age 68

Death of son Edward Revere Osler in WWI (Passchendaele)

His son Edward Revere Osler, a 2nd lieutenant in the Royal Field Artillery, was mortally wounded at the 3rd Battle of Ypres (Passchendaele) and died Aug 27, 1917.

8/27/1917Source
Confidence
98%
1919Age 69

Appointed President of the Fellowship of Medicine

In January 1919 Osler was appointed President of the Fellowship of Medicine.

1/1/1919Source
Confidence
90%
1919Age 70

Bequeathed personal history of medicine library to McGill University

Left an ~8,000-volume history of medicine collection to McGill; this became the nucleus of the Osler Library of the History of Medicine.

1/1/1919Source
Confidence
98%
1919Age 70

Career publication totals recorded

By the end of his career Osler had published well over 1,300 original medical articles and ~182 literary papers/essays (figures commonly cited posthumously).

1/1/1919Source
Confidence
90%
1919Age 70

70th birthday tributes and widespread recognition

On his 70th birthday (July 12, 1919) received an unprecedented outpouring of affection and tributes in journals and the press.

7/12/1919Source
Confidence
90%
1919Age 70

Founding President of merged Fellowship of Postgraduate Medicine

In October 1919 he was appointed founding President of the merged Fellowship of Medicine and the Postgraduate Medical Association.

10/1/1919Source
Confidence
90%
1919Age 70

Death in Oxford (probable bronchiectasis/pneumonia)

Died in Oxford on December 29, 1919, likely of complications of bronchiectasis/pneumonia during the influenza era; ashes later interred in Osler Library niche at McGill.

12/29/1919Source
Confidence
99%
1925Age 76

Harvey Cushing publishes biography 'The Life of Sir William Osler'

Harvey Cushing published a major biography of Osler in 1925 (Cushing later won the 1926 Pulitzer Prize for this work).

1/1/1925Source
Confidence
95%
1926Age 77

Harvey Cushing's biography wins Pulitzer Prize (related posthumous recognition)

Cushing's biography of Osler received the 1926 Pulitzer Prize (posthumous recognition for Osler's life via his biographer).

1/1/1926Source
Confidence
90%
1927Age 78

Study of Osler's brain (posthumous): 1927 anatomical study

A study of Osler's brain was published in 1927 as part of work on brains donated to the American Anthropometric Society.

1/1/1927Source
Confidence
90%
1929Age 80

Osler Library of the History of Medicine opens at McGill (library formed)

Osler's bequeathed library formed the nucleus of the Osler Library, which opened as a formal library in 1929 (posthumous event).

1/1/1929Source
Confidence
95%
1947Age 98

Osler's textbook: continued editions (16 editions over decades)

Osler's Principles and Practice of Medicine went through many editions (noted historically as 16 editions over ~55 years, kept in print long after his death).

1/1/1947Source
Confidence
85%
1987Age 138

Osler's brain displayed at Mütter Museum (posthumous exhibit)

Osler's donated brain was taken to and displayed at the Mütter Museum during an American Osler Society meeting in April 1987 (posthumous event).

1/1/1987Source
Confidence
90%
1994Age 145

Inducted into the Canadian Medical Hall of Fame (posthumous)

Osler was posthumously inducted in 1994 as a Laureate of the Canadian Medical Hall of Fame for his foundational contributions to medicine and education.

1/1/1994Source
Confidence
95%
2020Age 171

Controversy: investigation of Indigenous skulls shipment publicized

Journalistic/archival work in 2020 reconstructed Osler's sending several Indigenous skulls from Canada to Germany, prompting repatriation discussions (posthumous controversy).

1/1/2020Source
Confidence
70%