1949 - ,

1887 - 1962, US-amerikan. Paläontologe und (Erdöl-)Geologe, 1921 Consulting Geologist, 1925 Honorary Curator, 1928-1930 Curator of Paleontology des Colorado Museum of Natural History, 1934-1935 1. Kurator des Scotts Bluff National Monument

1938 - 2022, lebt in Williamsburg, Mass.

1911 - 1978, Amerikan. Paläontologe; 1934-1943 Coal Division des Illinois State Geological Survey, 1943-1947 Bureau of Mines in Pittsburgh, 1947-1976 Abteilung Paleontology and Stratigraphy des US Geological Survey in Washington, dazwischen 1950-1961 US Geological Laboratory an der Ohio State University

1935 - 2018, Doctorate of Music from the University of Washington