Michael Clark Rockefeller (May 18, 1938; disappeared November 19, 1961) was a member of the Rockefeller family. He was the son of New York Governor and later U.S. Vice President Nelson Rockefeller, a grandson of American financier John D. Rockefeller Jr. and a great-grandson of Standard Oil co-founder John D. Rockefeller Sr. Rockefeller disappeared during an expedition in the... Wikipedia