"Leon H. Johnson (March 6, 1908 \u2014 June 18, 1969) was an American chemist and mathematician who served as President of Montana State University from 1964 to 1969. A group of historians named him one of Montana State's four most important presidents in 2011."@en . . . "1908Z"^^ . . . "American chemist, university president" . "Leon H. Johnson"@en . "7th" . "Johnson, Leon H."@en . . . . "1969-06-18Z"^^ . . . "1969Z"^^ . . "1908-03-06Z"^^ . . .