Family history. Margaret Harwood’s lectures at Maria Mitchell Observatory in Nantucket; B.A. from Barnard College, 1925; work with Harlow Shapley at Harvard University, 1926; funding of astronomy projects and Shapley’s other interests in phenomena of nature. M.A. from Radcliffe, 1928. Other female astronomers: Helen Hogg, Antonia Maury, Cecilia Payne Gaposchkin; marriage of the Gaposchkins. Her paper at dedication of Tonantzintla Observatory.