Roentgen equivalent man has been defined since 1976 as equal to 0.01 sievert, which is the more commonly used SI unit outside the United States. A number of earlier definitions going back to 1945 were derived from the roentgen unit, which was named after Wilhelm Röntgen, a German scientist who discovered X-rays. The acronym is now a misleading historical artifact, since 1 roentgen actually deposits about 0.96 rem in soft biological tissue, when all weighting factors equal unity. Older units of rem following other definitions are up to 17% smaller than the modern rem. One rem carries with it a 0.05% chance of
The Amazing Dr. Clitterhouse The Amazing Dr. Clitterhouse The Amazing Dr. Clitterhouse is a 1938 American crime film starring Edward G. Robinson, Claire Trevor and Humphrey Bogart. It was directed by Anatole Litvak for Warner Bros. and written by John Wexley and John Huston, based on the first play written by short-story writer Barré Lyndon, which ran for three months on Broadway with Cedric Hardwicke after playing in London. Dr. Clitterhouse (Edward G. Robinson) is a wealthy society doctor in New York City who decides to research the medical aspects of the behavior of criminals directly by becoming one. He begins a series of