Tibor Hortobagy

* Magyardiószeg, March 15, 1912 – † Budapest, April 16, 1990 / botanist, hydrobiologist, university professor ; ; He came from a family of teachers, which settled in Hungary after 1918. In 1934, he obtained a teacher's and singing teacher's diploma at the teacher training college there in Szeged, and then in 1936, a secondary school teacher's diploma at the University of Szeged. As a university student, he was a student of botanist Pál Greguss (1889–1984), biochemist Albert Szent-Györgyi (1893–1986), and botanist István Győrffy (1880–1959). His doctoral dissertation, defended in 1939, was on the topic of hydrobiology, and from then on, this was primarily his main field of research. From the 1940s he taught in secondary schools, colleges and universities (Szeged, Baja, Eger, Nyíregyháza). From 1958 he was the head of the Department of Botany and Plant Physiology at the University of Agricultural Sciences in Gödöllő. During his research he examined the microflora of Lake Balaton, the Tisza and the Danube, discovered many new organisms and published about 20,000 of his own drawings of algae. ; ; His main works: ; Botany, 1950, ; Plant Systematics and Plant Geography, 1968, ; Agrobotanika, 1974, ; Plant Geography, Association and Ecology (co-author), 1981.