Quote of the day
The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience not from our mental resolution to try a new form of life.
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.