Sarah Connoran Gallagher (b. 1973) is an American-Canadian astronomer who studies quasars and compact galaxy groups. A Professor in the Department of Physics and Astronomy at the University of Western Ontario in London, Canada, she has been Director of its Institute for Earth and Space Exploration, and Science Advisor to the President of the Canadian Space Agency.
Reference: WGSBN Bulletin, 2023-03-20, Volume 3, Number 4, page 9