Albert Michelson

Albert A. Michelson, an American physicist, was born Dec. 19, 1852.  Michelson is best known as the lead eponym of the “Michelson-Morley experiment” of 1887, an experiment that notoriously failed to measure the speed of the Earth through the ether, the...

Edwin Armstrong

Edwin Armstrong, an American electrical engineer, was born in New York City on Dec. 18, 1890. As a child, Armstrong suffered from rheumatic fever, and his family moved to the nearby suburb of Yonkers to expedite his recovery. It was there that young Edwin became...

Prince Rupert

Prince Rupert of the Rhine, a Bavarian-English soldier and experimenter, was born Dec. 17, 1619.  Rupert was the son of the Elector Palatine of Bavaria, but also the nephew of King Charles I of England. Rupert came to England to lead the Royal army during the English...

William Parks

William Parks, a Canadian paleontologist, was born Dec. 11, 1868. In 1920, Parks was part of a University of Toronto expedition that discovered a new hadrosaur dinosaur in Alberta; in 1922, he described it in print and named it Parasaurolophus. This was a very odd...

John Clerk of Eldin

John Clerk of Eldin, a Scottish scholar and artist, was born Dec. 10, 1728. Clerk in his own day was best known as the author of the first modern English book on naval strategy, Naval Tactics, 1790, which was supposedly used by Lord Nelson at the Battle of Trafalgar....