Harris Hancock 1867–1944 Source: Wikimedia Commons About Harris Hancock mathematician (1867-1944) People from the Same Era Theodor Grust 1857–1919 designer, painter, watercolorist Meissen Bertha Enwald 1871–1957 architect, teacher Parikkala Earl Douglass 1862–1931 geologist, paleontologist Medford Karl Janisch 1870–1946 engineer Berlin Alec B. Francis 1867–1934 actor, film actor, film director, stage actor London Rista Vukanović 1873–1918 painter