Sol Spiegelman
Sol Spiegelman ( December 14 , 1914 – January 21 , 1983 ) was an American molecular biologist . 
<triplet> Sol Spiegelman <subj> December 14, 1914 <obj> date of birth <subj> January 21, 1983 <obj> date of death <subj> molecular biologist <obj> field of work