Ira N. Gabrielson (1889-1987) was a wildlife biologist and early promoter of wildlife conservation. He joined the Bureau of Biological Survey in 1915, specializing in rodent control and game management, with a particular interest in waterfowl. By 1935 he had become Chief of the Survey, and when it was merged with the Bureau of Fisheries in 1940 to become the United States Fish and Wildlife Service, he was named its first Director. During his tenure, 1940-1946, millions of acres were added to the National Wildlife Refuge System. From 1946 to 1970, he served as President of the Wildlife Management Institute and became Chairman of its Board of Directors in 1970. He was active in many national and international wildlife organizations and at home served as Chairman and Chairman Emeritus of the Northern Virginia Regional Park Authority until his death. He received many conservation awards, was an active participant in professional groups, and the writer of four books, many articles, and many speeches.
United States. Bureau of Biological Survey: He had become Chief of the Survey, and when it was merged with the Bureau of Fisheries.
U.S. Fish and Wildlife Service : He was the first Director of the US Fish and Wildlife Service.
Wildlife Management Institute: From 1946 to 1970, he served as President of the Wildlife Management Institute.