Margaret Brown Newton was a Canadian plant pathologist and mycologist internationally renowned for her pioneering research in stem rust Puccinia graminis, particularly for its effect on the staple Canadian agricultural product wheat.
Newton was born in Montreal onApril 1887 to John Newton and Elizabeth Brown. She had four younger siblings, three brothers named Robert, John, and William, and a sister named Dorothy. Her father was a chemist interested in the application of science to farming.
Source: Wikipedia