Annie Montague Alexander
Alexander, Annie Montague

* December 29, 1867 – September 10, 1950 †

United States

Identified Cyperaceae and collected Cricetidae

Edward Drinker Cope
Cope, Edward Drinker

* July 28, 1840 – April 12, 1897 †

United States

Identified Brontotheridae and collected Anatidae

Joseph Grinnell
Grinnell, Joseph

* February 27, 1877 – May 29, 1939 †

United States

Identified Salmonidae and collected Emberizidae

Charles Hazelius Sternberg
Sternberg, Charles Hazelius

* June 15, 1850 – July 20, 1943 †

United States

Identified Hadrosauridae and collected Hadrosauridae