Background
Leonard, Arthur Gray was born on March 15, 1865 in Clinton, New York, United States. Son of Delavan Levant and Mary Louise (Raymond) Leonard.
Leonard, Arthur Gray was born on March 15, 1865 in Clinton, New York, United States. Son of Delavan Levant and Mary Louise (Raymond) Leonard.
Bachelor of Arts, Oberlin, 1889, Master of Arts, 1895. Doctor of Philisophy, Johns Hopkins, 1898.
Special assistant Iowa Geological Survey, 1893-1897. Professor geology and related science, Western College, Toledo, Iowa, 1894-1896. Assistant state geologist, Iowa Geological Survey, 1896-1897, 1900-1903.
Assistant professor geology, Missouri State University, 1899-1900.
State geologist of North Dakota, and professor geology, University of North Dakota, since 1903. Assistant, United States Geological Survey, 1905-1907.
Home: Grand Forks, North Dakota
Married Katherine Gue, October 8, 1901.