Helen Battles Sawyer Hogg (August 1, 1905 - January 28, 1993) was a prolific astronomer noted for her research into globular clusters, but best remembered for her astronomy column, which ran from 1951 until 1981.

A 1926 graduate of Mount Holyoke College, after graduation she went on to Harvard Observatory to work with Annie Jump Cannon and Harlow Shapley. on star clusters. She received her doctorate in 1931 from Radcliffe College.

She married husband Frank Hogg in 1930, and in 1935 moved to Ontario where she took a job at the David Dunlop Observatory.

Over the next six decades, she published numerous papers, and established herself as a leader in the field of astronomy. She died of a heart attack in 1993.

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