Another photo of Annie Jump Cannon.
Harvard "computer" Annie Jump Cannon – one of the remarkable women whose work revolutionized our understanding of the universe long before they could vote – was born on this day in 1863. Deaf, meticulous, she catalogued more than 20,000 variable stars https://t.co/SeETRIfLfr pic.twitter.com/x2LEvYP5TH
— Maria Popova (@brainpicker) December 12, 2019