"John Donald MacArthur"@en . "American businessman and philanthropist" . . . "MacArthur, John Donald"@en . . . . "John D. MacArthur"@en . "1897-03-06Z"^^ . "John Donald MacArthur (March 6, 1897 \u2013 January 6, 1978) was an American businessman and philanthropist who established the John D. and Catherine T. MacArthur Foundation, benefactor in the MacArthur Fellowships."@en . "1978-01-06Z"^^ . . . . "1897Z"^^ . "1978Z"^^ . .