Ezra Townsend Cresson
Ezra Townsend Cresson , also Ezra Townsend senior ( 18 June 1838 , Byberry – 19 April 1926 , Swarthmore ) was an American entomologist who specialised in Hymenoptera . 
<triplet> Ezra Townsend Cresson <subj> 18 June 1838 <obj> date of birth <subj> 19 April 1926 <obj> date of death