Name: Sir William Crookes
Year: June 17 1832- April 4 1919
Contributed: Williams discovered a new element named thallium, and he identified the nature of element.
Experiments: Highly rarified gases, rare earth elements, separation of uranium-x from uranium, and the chemical elements dyeing and calico printing and photography
Diagram: Sir William Crooks constructed the forerunner of the modern television picture tube in the 1870's to investing the properties of cathode rays
Discovery: Sir William Crooks developed the crook's tube to the invention of the cathode ray tubes, and they were used in older television sets and computer monitors
Facts: William Crooks was a British chemist and physicist who lived from 1832-1919
He conducted extensive research on cathode rays and developed the crook tube.
He made significant contributions to the fields of vacuum technology, spectroscopy, and radioactivity.