"American mathematician" . "Kruskal, Martin David"@en . "2006Z"^^ . . . "Martin David Kruskal (/\u02C8kr\u028Csk\u0259l/; September 28, 1925 \u2013 December 26, 2006) was an American mathematician and physicist. He made fundamental contributions in many areas of mathematics and science, ranging from plasma physics to general relativity and from nonlinear analysis to asymptotic analysis. His single most celebrated contribution was the discovery and theory of solitons.He was a student at the University of Chicago and at New York University, where he completed his Ph.D."@en . . . . "Martin David Kruskal"@en . . "1925-09-28Z"^^ . . . . . . "2006-12-26Z"^^ . . "1925Z"^^ . .