Clell Lee Metcalf
Clell Lee Metcalf ( 25 March 1888 in Lakeville – 21 August 1948 ) was an American entomologist who specialised in Diptera . 
<triplet> Clell Lee Metcalf <subj> 25 March 1888 <obj> date of birth <subj> 21 August 1948 <obj> date of death