About John Tilton Hack
Lived 1913 – 1991 (aged 77–78). John Tilton Hack was an American geologist.
John Tilton Hack (1913–1991) was an American geologist and geomorphologist known for his contributions to establish the dynamic equilibrium concept in landscapes. Hack's law, concerning the empirical relationship between the length of streams and the area of their basins, is named after him.
Hack was a student of Kirk Bryan. Hack graduated from Harvard University, where he received his bachelor's and master's degrees and doctorate in geomorphology. He retired from the United States Geological Survey in 1981.
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Important facts
People in John Tilton Hack's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped John Tilton Hack's
Frequently asked questions
Who was John Tilton Hack?
American geologist and geomorphologist
When was John Tilton Hack born?
John Tilton Hack was born in 1913 in Chicago.
When did John Tilton Hack die?
John Tilton Hack died in 1991 in Washington, D.C..
What was John Tilton Hack's occupation?
John Tilton Hack was a geologist.
What nationality was John Tilton Hack?
John Tilton Hack was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John Tilton Hack. https://biography.guide/john-tilton-hack/
MLA: "John Tilton Hack." Biography.guide, https://biography.guide/john-tilton-hack/.
Chicago: "John Tilton Hack." Biography.guide. https://biography.guide/john-tilton-hack/.
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