"2008Z"^^ . "American mathematician" . "2008-12-21Z"^^ . . . "David M. Young, Jr."@en . "Young, David M."@en . "1923Z"^^ . . . "David M. Young, Jr. (October 20, 1923 \u2013 December 21, 2008) was an American mathematician and computer scientist who was one of the pioneers in the field of modern numerical analysis/scientific computing."@en . . "1923-10-20Z"^^ . . . . .