Blackwood convention when, after hearing his partner's response, the player who bid 4NT wants to stop in 5NT — as this is a forcing bid asking for Kings. A common agreement is that the first non-suit asks responder to bid 5NT. Whenever the first non-suit is a "queen ask", then the next non-suit asks to bid 5NT. This has to be planned in advance as if there is no such space partners have to bid a usually unmakeable slam contract. Blackwood convention In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley
F. E. J. Fry 1957 have become classic works in fisheries science. In 1935 Fry married Irene Marguerite Stewart, and they had three children. F. E. J. Fry Frederick Ernest Joseph Fry (April 17, 1908 – May 22, 1989), commonly known as F. E. J. Fry, was a Canadian ichthyologist and aquatic ecologist. He is known for his early research in physiological ecology and population dynamics in fishes. In the late 1940s, he became the first scientist to model how environmental factors affect the activity of fish. He was a 1959 Guggenheim Fellow, and served as president of several organizations including the American Society