Louis Agassiz
Agassiz, Louis

* May 28, 1807 – December 14, 1873 †

United States; Switzerland

Identified Cidaridae and collected Cichlidae

Heinrich Georg Bronn
Bronn, Heinrich Georg

* March 03, 1800 – July 05, 1862 †

Grand Duchy of Baden

Identified Bellerophontidae and collected Ursidae

Alpheus Hyatt
Hyatt, Alpheus

* April 05, 1838 – January 15, 1902 †

United States

Identified Spongiidae and collected Retroplumidae