Sir John Henry Lefroy 1817-1890

Photo by Alan L Brown - Posted May, 2005

Photo Source - Wikipedia

At 70 King's College Road, just south of King's College Circle on the grounds of the University of Toronto, stands an Ontario Heritage Trust plaque. Also in front of that building are several other plaques all to do with the magnetic observatory. I've added photos of them below. Now here's what the Lefroy plaque says:

Plaque coordinates: 43.660417 -79.394967

A pioneer in the study of terrestrial magnetism, Lefroy was director of the magnetic observatory here from 1842 to 1853. Born in Hampshire, England, he was commissioned in the Royal Artillery at the age of seventeen and, because of his aptitude for science, was posted to St. Helena in 1839 to establish a magnetic observatory. Three years later he was transferred to Toronto. During 1843-44 Lefroy conducted the first comprehensive magnetic and meteorological survey in British North America, making observations of exceptional scope and scientific value. Before returning to England in 1853 he was instrumental in persuading the provincial government to assume responsibility for the observatory. Following a distinguished career as a soldier, scholar and colonial administrator, Lefroy was knighted in 1877.

Related Toronto plaques
Early Meteorology in Canada
The Stewart Observatory

More
Science and Technology

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