Notable inmates

Ruth Klüger (30 October 1931 – 6 October 2020) was Professor Emerita of German Studies at the University of California, Irvine and a Holocaust survivor.

Ruth Maier (10 November 1920 in Vienna, Austria – 1 December 1942 in Auschwitz, German-occupied Poland) was an Austrian woman whose diaries describing her experiences of the Holocaust in Austria and Norway were published in 2007; reviews described her as "Norway's Anne Frank.".

Ruth Minsky Senderowicz (born Rifkele Riva Minska; 3 May 1926 – January 2024) was a Polish-American Holocaust survivor.

Ruth Rewald (1906–1942) was a German writer of children's books.

Ruth "Rutka" Laskier (12 June 1929 – December 1943) was a Jewish Polish diarist who is best known for her 1943 diary chronicling three months of her life during the Holocaust in Poland.

Ryan Gibson Anderson (born 1978), is an American former Washington State National Guardsman convicted by court-martial on September 3, 2004, on five counts of attempting to provide aid to the terrorist network al-Qaeda.

Ryan Wesley Routh (born February 18, 1966) is an American former roofer and activist who attempted to assassinate then-former U.S.

Ryke Geerd Hamer (17 May 1935 – 2 July 2017) was a German former physician and the originator of Germanic New Medicine (GNM), also formerly known as German New Medicine and New Medicine, a system of pseudo-medicine that purports to be able to cure cancer.

Ryszard Świętochowski (17 September 1882 in Warsaw – 1941 in Auschwitz) was a Polish politician, publicist and engineer.

Ryszard Walery Łysakowski (7 June 1911 – 31 August 2008) was a Polish footballer who played as a forward.