Born in Quebec, William Grant (“Bill”) Glassco was a Canadian theatre director, producer and founder of Toronto’s Tarragon Theatre. From 1959 to 1964, Glassco taught English at the University of Toronto. He lived in New York City from 1967 to 1969, where he studied acting and directing. Glassco returned to Canada in 1969. He founded the Tarragon Theatre in 1970 with his wife Jane (née Gordon), and stayed there until 1982. Later, he became the artistic director of the CentreStage Theatre Company which merged, in 1988, with the Toronto Free Theatre to become CanStage.
In 1982, he was made an Officer of the Order of Canada.