. "1986-12-08Z"^^ . "1917-09-26Z"^^ . . "1917Z"^^ . "Brown, Harrison Scott"@en . . . . . . . "1986Z"^^ . "Harrison Scott Brown"@en . . . "American scientist" . . "Harrison Scott Brown (September 26, 1917 \u2013 December 8, 1986) was an American nuclear chemist and geochemist. He was a political activist, who lectured and wrote on the issues of arms limitation, natural resources and world hunger.During World War II, Brown worked at the Manhattan Project's Metallurgical Laboratory and Clinton Engineer Works, where he worked on ways to separate plutonium from uranium."@en .