The Female Philsopher smelling out a comet, 1790 (Caroline Herschel)
Marie Tharp, sitting at her desk at Columbia’s Lamont Geological Observatory, 1956. Copyright: Lamont Archives, Lamont-Doherty Earth Observatory.
Manhattan Project: Calutron operators at their panels, in the Y-12 plant at Oak Ridge, TN during World War II.
'Monster soup' (Thames water), 1828
Scientific Conversazione, Illustrated London News, 28 April 1855
Mrs Bryan and her daughters, frontispiece to Bryan's A Compendious System of Astronomy (1797)