In the early 20th century, contralto singer Portia White (1911–1968) achieved international fame because of her voice and stage presence. As a Canadian of African descent, her popularity helped to open previously closed doors for talented blacks who followed. She has been declared "a person of national historic significance" by the Government of Canada. George London (1920–1985) was a Montreal-born concert and operatic bass-baritone. From 1975 until 1980 he was general director of the Washington Opera. Pierrette Alarie 1921, is a French-Canadian coloratura soprano. Lois Marshall (1924–1997) was a Canadian soprano who was made a Companion of the Order of Canada in 1967. She was both a concert and recital singer, first as a soprano and later as a mezzo-soprano.