Henry Gannett

Henry Gannett (August 24, 1846 – November 5, 1914) was an American geographer who is described as the "father of mapmaking in America." He was the chief geographer for the United States Geological Survey essentially from its founding until 1902.

He was a founding member and president of the National Geographic Society, a founder of the American Association of Geographers, and a co-founder and president of the Twenty Year Club or Twenty Year Topographers which was formed at the U.S.G.S. Topographic Division. He was also a founder and president of the Cosmos Club in Washington, D.C.

Gannett also was the geographer of the 10th United States Census in 1880, 11th Census in 1890, and the 12th Census in 1900. He was the assistant director of the 1899 Census of the Philippines and Puerto Rico, the 1902 Census of the Philippines, and the 1906 Census in Cuba. Provided by Wikipedia