Trần Đại Nghĩa
Trần Đại Nghĩa ( 13 September 1913 – 9 August 1997 ) was a Vietnamese scientist , military engineer , and prominent figure in the defense industry of Vietnam . 
<triplet> Trần Đại Nghĩa <subj> 13 September 1913 <obj> date of birth <subj> 9 August 1997 <obj> date of death <subj> Vietnam <obj> country of citizenship