Green Blankstein Russell Associates

Formed by Lawrence J. Green (1899-1969), Cecil N. Blankstein (1908-1989), and G. Leslie Russell (1901-1977) who were all Winnipeg-born and received their architectural training at the University of Manitoba. Briefly Green, Blankstein, Russell and Ham. GBR became the pre-eminent modernist firm in Manitoba, and was responsible for designing several of the iconic modernist buildings in the province including Winnipeg City Hall and the airport. GBR had a national presence in the mid-century period, and in 1954 won a competition for a new building to house the National Gallery of Canada in Ottawa, never constructed. In 2004 the 35-person offices of GBR Architects was acquired by Edmonton-based Stantec.

G. Leslie Russell was a nephew of Winnipeg architect John H.G. Russell (1863-1946). Cecil N. Blankstein (1908-1989) was a son of architect Max Z. Blankstein (1876–1931),