Knopf, Adolph

Knopf, Adolph

(1882–1966) geologist; born in San Francisco. He worked with the U.S. Geological Survey (1906–45) while concurrently teaching at Yale (1920–51). He then became a visiting professor at Stanford (1951–57). He made major contributions to mineralogy and mining, radioisotopic geochronology, and igneous petrology as exemplified by investigations of the Boulder batholith in Montana.
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.