en James Sumner

James Sumner may refer to:

James Sumner (Medal of Honor) (1840–1912), United States Army soldier and a recipient of the Medal of Honor
James Sumner (baseball) (1851–1881), American baseball umpire
James B. Sumner (1887–1955), American chemist who shared the Nobel Prize in Chemistry
James Edward (Red) Sumner, Jr. (born 1948), stellar occultation astronomer after whom asteroid 36983 Sumner is named

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