Royd R. Sayers (October 25, 1885 – 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.
Royd R. Sayers (October 25, 1885 – 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)