Career options for women were limited in the 1890s when Edith Tyrrell was introduced into Canada’s fledgling mining industry as the young wife of Joseph Burr Tyrrell.

For more than half a century, Edward Thompson has contributed to the progress and prestige of the Canadian mining industry as an explorer, mine developer, company builder, and dedicated supporter of industry causes and associations.

James Thomson embodied dedication to the mining industry throughout his 44-year career with the Ontario Department of Mines (ODM), later the Ontario Geological Survey (OGS). He revived, enlarged and modernized ODM, transforming it into an increasingly important body recognized in Canada and internationally for its technical excellence.

Grenville Thomas left the Old World as a young mining engineer to become a pioneering prospector and company-builder in the New World, where he made a series of important mineral discoveries and contributed to the advancement of Canada’s fledgling diamond industry.