Annie Jump Cannon (December 11, 1863 – April 13, 1941) was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C. Pickering,
Tag: Astronomer
Womens History Month: Helen Battles Sawyer Hogg
Helen Battles Sawyer Hogg, CC (1 August 1905 – 28 January 1993) was an astronomer noted for pioneering research into globular clusters and variable stars. She was the first female president of
Thoughts and Ponderances 