Viktor Hermann Brack (9 November 1904 – 2 June 1948) was a member of the Schutzstaffel (SS), a convicted Nazi war criminal and one of the prominent organisers of the involuntary euthanasia programme Aktion T4; this Nazi initiative resulted in the systematic murder of 275,000 to 300,000 disabled people. He held various positions of responsibility in Hitler's Chancellery in Berlin.
Gordon Stewart Northcott (November 9, 1906 – October 2, 1930) was a Canadian serial killer, child rapist, and child abductor who was convicted of the murders of three young boys in California, U.S., and confessed to the murders of nine in total. He was executed on October 2, 1930.
Richard Choque Flores (born November 9, 1988) is a Bolivian serial killer and rapist who killed at least two women in 2021, shortly after being released from a prior conviction. For the latter crimes, he was sentenced to 30 years imprisonment.
Emil Erwin Mahl (born 9 November 1899 in Karlsruhe; died 1 April 1967 in Heidelberg) was a Kapo (prisoner functionary) in the crematorium of the Nazi Dachau concentration camp. Known as "the Hangman of Dachau", he was sentenced to death after the war, but this was commuted to a 10-year prison sentence.