Friedrich Uhlhorn (17 June 1894 – 24 July 1978) was an honorary professor at the Philipps-Universität Marburg, whose scientific focus was on the history of the State of Hesse and was also known for his work outside Hesse. His special scientific interest was mainly focused on the problems of historical cartography. In collaboration with Edmund Ernst Stengel, he published the Geschichtlichen Atlas von Hessen, which is considered his major work. He also wrote the article Die deutschen Territorien. A: The West, which deals with the West German regional history. Likewise he was responsible as editor for the by Bruno Gebhardt. Life Youth Born in Lauenförde, Uhlhorn came from a family of theologians in southern Lower Saxony. He was born as son of the pastor Friedrich Uhlhorn and his wife Elisabeth née Müller. Uhlhorn's school education began in 1901, He acquired his Abitur on 24 February 1914 at the humanistic grammar school in Hameln. Academic career From August 1914 to 1918 Uhlhorn did his military service in the First World War. His studies officially began in 1914, after the First World War he continued them from 1919 to 1923. He studied history, German and Latin in Marburg and Göttingen and finished his studies with the Staatsexamen in 1923. During his studies he became a member of the . He also began training as an archivist in Berlin-Dahlem. He soon returned to Marburg for good, however, to prepare his doctorate under Edmund E. Stengel. The title of this auxiliary-scientific work, which was published in 1924, is Die Großbuchstaben der sogenannten gotischen Schrift mit besonderer Berücksichtigung der Hildesheimer Stadtschreiber (The Capital Letters of the so-called Gothic Script with Special Consideration of the Hildesheim Town Writers). From 1923 to 1946, Uhlhorn worked as archivist of the House of the Princes and counts of Solms, with the task to write a history of the House. During this period he was a lecturer from 1936, and from 1940 honorary professor at the Philipps-Universität Marburg for Hessian local history. Hessian Regional Studies His connection to his doctoral supervisor Edmund E. Stengel and the "Atlaswerkstatt", the later with its seat in the Kugelhaus in Marburg, also continued during his work as archivist. From 1935, Uhlhorn was responsible for Edmund Stengel's new project, and he was also in charge of the preparation of the Geschichtliche Hand- und Volksatlas von Hessen. This atlas was financed with funds from the Kassel