William Schieffelin Claytor
William Schieffelin Claytor ( January 4 , 1908 – July 14 , 1967 ) was an American mathematician specializing in topology . 
<triplet> William Schieffelin Claytor <subj> January 4, 1908 <obj> date of birth <subj> July 14, 1967 <obj> date of death