Horace Yomishi Mochizuki
Horace Yomishi Mochizuki ( 18 May 1937 – 9 June 1989 ) was an American mathematician known for his contributions to group theory . 
<triplet> Horace Yomishi Mochizuki <subj> 18 May 1937 <obj> date of birth <subj> 9 June 1989 <obj> date of death