Sandor Janko

* Vasvár, February 28, 1866 – † Vönöck, May 14, 1923 / forestry engineer, geodesist, college teacher ; ; He graduated from the Sopron high school in 1886. He received his diploma from the Selmecbánya Academy in 1890. Between 1890 and 1906 he served in various forestry authorities, later in the Ministry of Agriculture. Between 1906 and 1918 he was a teacher and then head of the forestry and geodesy department of the Selmecbánya College. In 1919 he also contributed to the relocation of the College to Sopron, and in 1920–1922 he also held the position of rector of the institution. He produced significant literary work. Among other things, he was the author of the first photogrammetric work in the Hungarian language. His studies were mainly published in the columns of Erdészeti Lapok, Kadaszteri Közlöny and Köztelek. He published his theory of triangular grid errors in the Österreichische Zeitschrift für Vermessungswesen. ; ; His main works: ; Photogrammetry, 1917, ; Forestry transport equipment I., 1920, ; Forestry geodesy I–II. parts, 1921 and 1922.