Wallace John Eckert
Wallace John Eckert ( June 19 , 1902 – August 24 , 1971 ) was an American astronomer , who directed the Thomas J . 
<triplet> Wallace John Eckert <subj> June 19, 1902 <obj> date of birth <subj> August 24, 1971 <obj> date of death <subj> astronomer <obj> occupation