SciShow
Great Minds: Henrietta Leavitt & the Human Computers
2012 • E195 Dec 25, 2012 10m
Henrietta Swan Leavitt was one of a number of volunteer women astronomers who were allowed to serve as "computers" at Harvard College Observatory, doing tedious work male scientists wouldn't do, and ultimately making a discovery now known as Leavitt's Law, which allows us to measure the distance to stars.