Given name: Maria Family name: Adler
PhD in psychology. One of the closest collaborators of Wladyslaw Witwicki. Was a scientific director of psychological and psycho-technical consultative points for children set up by the Centos (the Central Organisation for Orphan Care) before the war. In the ghetto she collaborated with the Centos departments. After the First Action she crossed to the 'Aryan side.' In hiding in the suburbs of Warsaw. She could not move freely outside the hideout due to her Semitic appearance. Died in a bomb explosion during the Warsaw Uprising.