. "Robert S. Shankland"@en . . "American physicist" . "Shankland, Robert S."@en . . . "1908Z"^^ . "1908-01-11Z"^^ . . "Robert Sherwood Shankland (January 11, 1908 \u2013 March 1, 1982) was an American physicist and historian."@en . . "1982Z"^^ . "1982-03-01Z"^^ . . . . .