They never discovered a single showing or hoisted a ton of ore, but Norman and Richard Pearce chronicled the burgeoning Canadian mining industry in the pages of The Northern Miner weekly newspaper for more than 50 years, holding it accountable and helping mold into one of the most open industries in the country.

Viola MacMillan had two careers in the Canadian mining industry. First, over a period that spanned four decades, she and her husband teamed up as prospectors and developers of several substantial mineral deposits across the country.

The initiative of Jack Hammell to harness the potential of the airplane opened the floodgates to mineral exploration in Canada’s north. It was Hammell’s ambition to “crack open the north,” and he did that through his pioneering use of aircraft to move men and materials to areas previously accessible only by dogsled in winter or canoe in summer.

Arthur White was an active mine financier who, with his partner, raised millions of dollars for more than 50 companies and was instrumental in developing several mines including two of the most prolific producers in Ontario’s Red Lake gold camp - the Campbell mine and its neighbour, which bears his name, the Arthur W. White mine.

Ossian Walli never discovered a mineral deposit, built a mine or operated a mining company, but during his 22 years as principal at the Haileybury School of Mines he influenced hundreds of students who did. Appointed to the position when the school was revived under government direction in 1945, he administered its operations and taught mathematics and mineral chemistry classes.