Blake Stern
Blake Stern ( June 25 , 1917 – December 22 , 1987 ) was an American tenor , best known as an oratorio singer , and a professor emeritus of music at Yale University , where he taught voice . 
<triplet> Blake Stern <subj> June 25, 1917 <obj> date of birth <subj> December 22, 1987 <obj> date of death <subj> Yale University <obj> employer