John Halver

John Emil Halver (April 21, 1922 – October 24, 2012) was an American biochemist known for his research into the nutritional biochemistry, physiology, and cellular biochemistry of fish. His work on the nutritional needs of fish led to modern methods of fish farming and fish feed production around the world. He held a position with the United States Fish and Wildlife Service as director of the Western Fish Nutrition Laboratory in Cook, Washington, where Halver and his staff carried out research on the nutrient requirements for Pacific salmon. Provided by Wikipedia