Jenő Greschik

* Késmárk, August 12, 1887 – † Budapest, February 11, 1967 / zoologist, ornithologist, ; histologist ; ; He studied at the University of Budapest and received his doctorate in 1910. From 1906 he was a member of the Ornithological Institute, then after World War I he was forced to retire. At that time he worked as a silkworm breeding expert in Tolna County, then he became a member of the Zoological Museum of the Budapest Natural History Museum, from where he retired in 1944, with the rank of director. After World War II he worked actively in the Zoological Museum again for several years. He primarily dealt with the histology of birds, but he also examined mammalian bone remains from owl scats, and towards the end of his life he also studied wasps. In the 1920s and 1930s, he frequently published in the ornithological journal Egret. ; ; His main works: ; Murinae molars (Aquila), 1910, ; Histology of the intestinal canal of the Eurasian crow (Aquila), 1914.