Don L. Frizzell; Donald L. Frizzell
* October 19, 1906 – October 17, 1972 †
paleontologist, geologist, professor
American paleontologist (1906-1972)
http://www.wikidata.org/entity/Q25640002
https://en.wikipedia.org/wiki/Donald_L._Frizzell [View]
United States
Canada