Fluorescent lamp began with the Geissler tube continued as even better vacuums were produced. The most famous was the evacuated tube used for scientific research by William Crookes. That tube was evacuated by the highly effective mercury vacuum pump created by Hermann Sprengel. Research conducted by Crookes and others ultimately led to the discovery of the electron in 1897 by J. J. Thomson and X-rays in 1895 by Wilhelm Roentgen. But the Crookes tube, as it came to be known, produced little light because the vacuum in it was too good and thus lacked the trace amounts of gas that are needed
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