Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...

Henrietta Leavitt was born in Cambridge, Massachusetts, the daughter of a Congregational minister. She attended Oberlin College and the Society for Collegiate Instruction of Women (later Radcliffe ...

Henrietta Swan Leavitt was not famous in her lifetime. She did not win the Nobel Prize, although her name was ...