Who is the first Indian to be selected as President of the Pugwash Conference on Science and World Affairs?

Who is the first Indian to be selected as President of the Pugwash Conference on Science and World Affairs?
(A) Dr P.J.Kurien
(B) Dr Hargobind Khorana
(C) Dr APJ Abdul Kalam
(D) Dr M.S.Swaminathan

Answer: (D) M.S. Swaminathan