Stanley Macomber
Stanley Macomber ( November 26 , 1887 – May 15 , 1967 ) designed and patented the open web joist floor system , and founded the Massillon Steel Joist Company of Massillon , Ohio , and the Macomber Steel Company of Canton , Ohio . 
<triplet> Stanley Macomber <subj> November 26, 1887 <obj> date of birth <subj> May 15, 1967 <obj> date of death