Joseph Szepessy

* Nyitra, July 7, 1891 – † Budapest, March 24, 1958 / geodesist, engineer ; ; His father, József Szepessy Sr., was also an engineer and worked successfully in the service of the State Survey. He completed his studies at the Budapest Technical University, then became an assistant professor to Károly Oltay (1881–1955). He participated in the construction of the Danube Valley Drainage Canal. After that, he worked in the track maintenance department of the Southern Railway. From 1923, he worked as a private engineer, operating his office until the forced nationalization in 1949. He was engaged in land surveying, subdivision, estate planning, road and railway planning, urban surveying, etc. From 1949 until his death, he was the chief engineer of the Budapest Surveying and Soil Surveying Office. He achieved significant results by designing geodetic instruments, mapping and drawing equipment, and modernized his tangent rangefinder (tachometer), which is still manufactured today. A polar coordinate superimposition and the Gamma-Duplex angle prism are also his creations. He was a collaborator of the Land Surveying and Land Settlement Encyclopedia (editor: Antal Fasching, Budapest, 1919). ; ; His main works: ; The development of tachymetry and the new Szepessy tachymeter (Geodesy Publications), 1927, ; New type of polar coordinate graph (Geodesy Publications), 1937, ; Universal polar superimposition and its applications (Geodesy Publications), 1952.