Quote of the day
By their victory, the 3rd, 4th and 5th Marine Divisions and other units of the Fifth Amphibious Corps have made an accounting to their country which only history will be able to value fully. Among the Americans serving on Iwo island, uncommon valor was a common virtue.
Henrietta Swan Leavitt
Born: July 4, 1868
Died: December 12, 1921 (aged 53)
Bio: Henrietta Swan Leavitt was the American astronomer who discovered the relationship between the luminosity and the period of Cepheid variable stars. She made this discovery, among others, while employed at the Harvard College Observatory as a human computer examining photographic plates to measure and catalog the brightness of stars.