Gerome Ragni
Gerome Ragni ( born Jerome Bernard Ragni; September 11 , 1935 – July 10 , 1991 ) was an American actor , singer and songwriter , best known as co-writer of the 1967 musical "" . 
<triplet> Gerome Ragni <subj> September 11, 1935 <obj> date of birth <subj> July 10, 1991 <obj> date of death