. . "1885-10-25"^^ . . . . "1885-10-25"^^ . . . . . . . . . . . . . "1965-04-23"^^ . . "Royd R. Sayers"@en . . . . . . . . . . . . "Royd R. Sayers (October 25, 1885 \u2013 April 23, 1965) was an American physician and industrial hygienist. He served as the Chief of the Division of Industrial Hygiene at the National Institute of Health and the 7th director of the U.S. Bureau of Mines."@en . . . . . . . . "7601"^^ . . . . "1965-04-23"^^ . "Sayers in 1940"@en . . "Royd R. Sayers"@en . . "1075424528"^^ . . . "1940-05-27"^^ . . . . . . . "1947-07-14"^^ . . . . "University of Buffalo"@en . . . . "7"^^ . . "Physician"@en . . . . . . . . . . . . . . . . . . . "Royd Ray Sayers"@en . "Black and white photograph of a man wearing suit holding a pen with one hand and a piece of paper with the other."@en . "Royd Ray Sayers"@en . . . . . . "Royd R. Sayers"@en . . . . . "Crothersville, Indiana, U.S."@en . . . "69472857"^^ . . . . "Royd R. Sayers (October 25, 1885 \u2013 April 23, 1965) was an American physician and industrial hygienist. He served as the Chief of the Division of Industrial Hygiene at the National Institute of Health and the 7th director of the U.S. Bureau of Mines."@en . .