Kazimierz Kostanecki

Professor Kazimierz Kostanecki (25 December 1863, Myszaków – 11 January 1940, Sachsenhausen concentration camp) was a Polish physician, anatomist, and cytologist.

Since 1892 he was a professor of comparative and descriptive anatomy at the Jagiellonian University in Kraków under the military partitions of Poland.

He is considered the father of the Kraków school of anatomy due to his many scientific discoveries and accomplishments.

In the final period of his scientific work he studied the phylogenetic development of the cecum and the appendix, and the functioning of the lymphoid tissue.

[2] After the invasion of Poland by Nazi Germany and the Soviet Union in 1939, Kostanecki was arrested on 6 November 1939 in his Alma mater during the German Sonderaktion Krakau against the Polish academics.