Tittmann Family.

O.H. Tittmann (1850-1938) was a well known American surveyor during the late 19th and early 20th centuries. Born in Belleville, Illinois, Tittmann joined the U.S. Coast and Geodetic Survey in 1867 and enjoyed a long and distinguished career with this federal agency, serving as Superintendent of the Bureau of Weights and Measures (1889-1893) and Superintendent of the U.S. Coast and Geodetic Survey (1900-1915). In the course of his government career, Tittmann was involved in a number of notable surveying activities, which included serving as a member of an expedition to Japan to view the transit of Venus (1874), surveying the United States's east, west, and Alaska coasts, and serving as one of three scientists who investigated Admiral Robert Peary's claim of discovering the North Pole (1910). He also directed the surveys which established the boundary between the United States and Canada. After his retirement from the federal government, Tittmann served as President of the National Geographic Society (1915-1919).

Charles T. Tittmann (1882-1964) was a lawyer and singer during the twentieth century. Born in Detroit, Michigan and educated at Princeton University and Harvard Law School, Tittmann served in the U.S. Army during World War I. After the war, he served as Assistant Solicitor with the U.S. State Department and practiced law in Washington, D.C. during the 1920s. From 1928 to 1953, he was an attorney for the U.S. Bureau of Internal Revenue. Tittmann was also a well known basso concert singer. He performed with numerous American symphony orchestras and was a soloist for the Bach Choir of Bethlehem, Pennsylvania.

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