Rudolf Hartogs was unmarried. He was a textile technician. At the request of a member of the Ordedienst (OD), he hid weapons and explosives in the autumn of 1941. On 18 April 1942, he was caught by the SD during a raid on 143 Noorder Amstellaan in Amsterdam. He was respectively emprisoned in the Amsterdam Remand centre at the Weteringschans, Scheveningen, Haaren, Utrecht (in the prison in the Gans…