`A biographical orrery
- intricate, complex & fascinating` The Observer `A peerless intellectual biography. The Glass Universe shines & twinkles as brightly as the stars themselves` The Economist 1 New York Times bestselling author Dava Sobel returns with a captivating, little-known true story of women in science. Before they even had the right to vote, a group of remarkable women were employed by Harvard College Observatory as ` Human Computers` to interpret the observations made via telescope by their male counterparts each night. The author of Longitude, Galileo`s Daughter & The Planets shines light on the hidden history of these extraordinary women who changed the burgeoning field of astronomy & our understanding of the stars & our place in the universe.