Sir John Lefroy 1817-1890

An officer in the Royal Artillery, Lefroy was posted to Canada from 1842 to 1853. Here he conducted the first comprehensive magnetic and meteorological survey in British North America and served as director of the magnetic observatory at Toronto.


In front of the Sandford Fleming Building, the site of the former magnetic observatory, 10 King's College Road, University of Toronto, Toronto

Region: Greater Toronto Area

County/District: City of Toronto (District)

Municipality: City of Toronto