Georges Préfontaine

Canadian geologist

Chemist

Canadian physicist and crystallographer

Botanist

Botanist

Canadian and American physicist, scientist, inventor, teacher, editor and author

American botanist and professor

German-Canadian physicist and physical chemist

Medical scientist, co-discoverer of insulin

Canadian tennis player

Canadian geneticist

Canadian microbiologist

Canadian nuclear physicist

Canadian civil servant

Agronomist

Physicist

Botaniste américano-canadien

German-born organic chemist

Physicist, meteorologist

Botanist