. . . "1955-12-07"^^ . . . . . "Calvin R. Howell"@en . . . . . . . . . . . "Calvin Rudolph Howell (born December 7, 1955) is an American physicist and professor at Duke University in Durham, North Carolina."@en . . . . "Davidson College BS"@en . . . . "American"@en . . . . . . . . . . . "Richard L. Walter"@en . "Calvin Rudolph Howell (born December 7, 1955) is an American physicist and professor at Duke University in Durham, North Carolina."@en . . "Calvin R. Howell"@en . . . . "1955-12-07"^^ . . "Duke University PhD"@en . . . . "70346341"^^ . . . . . . "TUNL"@en . "Physicist"@en . . . . . . . . . . . . . . . "Calvin Howell"@en . . . "1097106536"^^ . . . . "7218"^^ . . . . . . . . . . . . . . . . . . . . .