Isabel Bassett Wasson

Isabel Bassett Wasson was one of the first female petroleum geologists in the United States, the first female ranger at Yellowstone National Park, and also one of the first interpretive rangers hired by the National Park Service.

Wasson was born Isabel Bassett in Brooklyn, NY on January 11, 1897, daughter of urban planner Edward Bassett and Annie Preston Bassett, and sister of inventor and engineer Preston Bassett. Wasson graduated Phi Beta Kappa from Wellesley College in 1918, majoring in history so she could take a wide range of science courses. She took classes in geology after graduation at the University of Chicago and the Massachusetts Institute of Technology. She met her future husband, petroleum geologist Theron Wasson, whom she married in 1920, while working towards a masters degree in geology at Columbia University, which she finished in 1934. They had three children Elizabeth W. Bergstrom, a biologist Edward B. Wasson, a petroleum geologist and Anne Harney Gallagher, an art historian. Wasson worked as a petroleum geologist in her husbands office at the Pure Oil Company from the early 1920s until 1928. She published two scholarly articles on geology, one coauthored with her husband about an oil field

Source: Wikipedia