Adolf Vogg

Exploration mineralogist and professor of mineralogy of the University of Toronto, Canada

Canadian mineralogist, Department of Earth Sciences, University of Ottawa

Canadian mineralogist

Mineralogist, curator of the mineral and gem collection , Toronto, Ontario

Canadian mineralogist, Canada Centre for Mineral and Energy Technology (CANMET) and coeditor of Canadian Mineralogist (1975-1982)

Canadian mineralogist

Australian-Canadian mineralogist, CSIRO-Exploration & Mining

American-Canadian mineralogist, former curator of mineralogy, Royal Ontario Museum (ROM), Toronto, Ontario

Canadian mineralogist, Leslie Research and Consulting

Professor of geology at McGill University, Montreal, Canada and editor of 'The Canadian Mineralogist'

Mineralogist of Ottawa, Ontario, Canada

Canadian geologist

Mineralogist, geochemist

Canadian geochemistry professor