Quote of the day
All thought must, directly or indirectly, by way of certain characters, relate ultimately to intuitions, and therefore, with us, to sensibility, because in no other way can an object be given to us.
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.