Born: 1 August 1905, United States
Died: 28 January 1993
Country most active: Canada, United States
Also known as: Helen Battles Sawyer, Helen Battles Hogg-Priestley
The following bio was written by Emma Rosen, author of On This Day She Made History: 366 Days With Women Who Shaped the World and This Day In Human Ingenuity & Discovery: 366 Days of Scientific Milestones with Women in the Spotlight, and has been republished with permission.
Helen Battles Sawyer Hogg was an American-Canadian astronomer who pioneered research on globular clusters and variable stars. She became the first female president of several astronomical organizations and faced challenges as a scientist when many universities denied scientific degrees to women. Helen advocated for astronomy and women in science through columns in the Toronto Star and the Journal of the Royal Astronomical Society of Canada. Her impactful career spanned over sixty years, and she was remembered as both a great scientist and a gracious person.
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