Heinrich Gross
Heinrich Gross (14 November 1915 – 15 December 2005) was an Austrian psychiatrist, medical doctor and neurologist, a reputed expert as a leading court-appointed psychiatrist, known for his proven involvement in the killing of at least nine children with physical, mental and/or emotional/behavioral characteristics considered "unclean" by the Nazi regime, under its Euthanasia Program. His role in hundreds of other cases of infanticide is unclear.