Henrietta Swan Leavitt: Measuring the Universe From a Desk
Did you know the word 'computer' originally referred to a person, not a machine? Before electronic computers existed, a 'computer' was someone whose job was to compute, meaning to perform calculations. Governments, observatories, banks, and scientific institutions hired people specifically to compute mathematical problems by hand. The machine we know as a computer today inherited this name later. So long before desktops, laptops and touchscreens, 'computers' sat in crowded observatories like the Harvard College Observatory, with pencils, rulers, and stacks of star charts. And Henrietta Swan Leavitt was one of them. Henrietta Swan Leavitt ©BBC Born in 1868 in Massachusetts, Henrietta Swan Leavitt was curious and academically brilliant. She studied art, philosophy, language, and mathematics at Radcliffe College. In her final year, she took a course on astronomy. Somewhere between studying stars and solving equations, she found her interest. But astronomy at that...