The Glass Universe: The Hidden History of the Women Who Took the Measure of the StarsAN OBSERVER BOOK OF THE YEAR A peerless intellectual biography. The Glass Universe shines and 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 In the mid nineteenth century, the Harvard College Observatory began employing women as calculators, or human computers, to interpret the observations their male counterparts made