Byzantine Blackwood convention Byzantine Blackwood convention Byzantine Blackwood is a bidding in the game of bridge. Devised by Jack Marx, it is a complex version of the (by which a four notrump (4NT) asks about 's holdings). Its premise is that both aces and kings may safely be shown in response to a Blackwood-type 4NT enquiry; provided that such kings are in well-defined "key" or "half-key" suits, there being no more than two such suits. The name was chosen to express the idea that Byzantine Blackwood is a development from Roman Blackwood, by analogy with the Byzantine Empire and the Roman Empire; rather
David Blackwood School in Port Hope. Blackwood was involved in establishing an art gallery at Erindale College (a campus of the University of Toronto), now called The Blackwood Gallery in his honour. In 1976, the National Film Board of Canada produced a documentary film about the artist, "Blackwood", which was nominated for an Academy Award for Documentary Short Subject. He was made a member of the Order of Canada in 1993, and of the Order of Ontario in 2002. In 2003, he became the first practising artist to be named Honorary Chairman of the Art Gallery of Ontario, which maintains a Blackwood