About Hal Downey
Lived 1877 – 1959 (aged 81–82). Hal Downey was an American physiologist.
Hal Downey (October 4, 1877 in State College, Pennsylvania –1959) was an American hematologist.
In 1923, he contributed to the characterization of reactive lymphocytes, which are sometimes called "Downey cells".
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Important facts
Contemporaries
People whose lives overlapped Hal Downey's
Frequently asked questions
Who was Hal Downey?
American hematologist (1877–1959)
When was Hal Downey born?
Hal Downey was born in 1877.
When did Hal Downey die?
Hal Downey died in 1959.
What was Hal Downey's occupation?
Hal Downey was a physiologist.
What nationality was Hal Downey?
Hal Downey was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Hal Downey. https://biography.guide/hal-downey/
MLA: "Hal Downey." Biography.guide, https://biography.guide/hal-downey/.
Chicago: "Hal Downey." Biography.guide. https://biography.guide/hal-downey/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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