. . "2015-02-05Z"^^ . "1923Z"^^ . . "American physicist" . . . "Fitch, Val Logsdon"@en . . . "2015Z"^^ . "Val Logsdon Fitch"@en . "1923-03-10Z"^^ . "Val Logsdon Fitch (March 10, 1923 \u2013 February 5, 2015) was an American nuclear physicist who, with co-researcher James Cronin, was awarded the 1980 Nobel Prize in Physics for a 1964 experiment using the Alternating Gradient Synchrotron at Brookhaven National Laboratory that proved that certain subatomic reactions do not adhere to fundamental symmetry principles."@en . . .