Leonore Rachelle Brecher was a zoologist at the Institute for Experimental Biology in Vienna. She is the author of more than 20 scientific publications. After 1938, she attempted to emigrate, but was not successful. On September 18, 1942, Leonore Brecher was murdered in the extermination camp Maly Trostinec.
Henriette Burchardt was a scientist in Vienna. Known also as “Henny”, Burchardt worked at the Institute for Experimental Biology in Vienna from 1924 to 1932. On October 23, 1944, Henriette Burchardt was deported to the concentration camp Auschwitz-Birkenau. She did not survive. Her date of death remains unknown.