Alan Mozley
Prof Walter Alan Mozley FRSE ( 20 June 1904 – 16 August 1971 ) was an English zoologist who was known for his knowledge of freshwater snails , water insects and mollusca , and their impact on tropical disease . 
<triplet> Alan Mozley <subj> 20 June 1904 <obj> date of birth <subj> 16 August 1971 <obj> date of death