J Harlen Bretz

Harley "J Harlen" Bretz
J Harlen Bretz in 1949
Born
Harlan J Bretz

(1882-09-02)September 2, 1882
DiedFebruary 3, 1981(1981-02-03) (aged 98)
NationalityAmerican
Other namesHarland J Bretz
Alma materAlbion College, AB 1905
University of Chicago, PhD in geology, 1913
Known forMissoula floods hypothesis, overturned uniformitarianism
AwardsPenrose Medal, 1979
Scientific career
FieldsGeology
InstitutionsUniversity of Washington, University of Chicago

J Harlen Bretz (2 September 1882 – 3 February 1981) was an American geologist, best known for his research that led to the acceptance of the Missoula Floods and for his work on caves.