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Discover›Medicine
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James Till
Biophysicist

James Till

Famoose for

Providing experimental evidence for blood-forming stem cells.

Bone-marrow studies · Lasker Award

Born
25 August 1931
Birthplace
Lloydminster
Died
18 May 2025

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James Till

James Till was a Canadian researcher whose collaboration with Ernest McCulloch helped establish stem-cell biology.

Early life

Education

Grew up near Lloydminster and studied physics at Saskatchewan before earning a biophysics doctorate at Yale in 1957.

Career

  1. 1950s

    Ontario Cancer Institute

    Joined the research team in Toronto.

  2. 1960s

    Stem-cell experiments

    Investigated bone-marrow cells with McCulloch and colleagues.

  3. 1980s onward

    Research priorities

    Worked on cancer care, quality of life and health information.

Contributions

Bone-marrow studies

Helped demonstrate colony-forming cells and their capacity for self-renewal.

Lasker Award

Shared the basic medical research award with McCulloch.

Beyond research

Open access

Advocated free access to scientific publications.

Sources & photo creditBiography and career ↗Biographical references ↗Additional biographical or research source ↗

Original photograph. Cropped and displayed in monochrome.

Photo: Nichefinder. CC BY-SA 4.0 · Original image. Cropped and displayed in monochrome.