Notable inmates

Julius Wolff (18 April 1882 – 8 February 1945) was a Dutch-Jewish mathematician, known for the Denjoy–Wolff theorem and for his boundary version of the Schwarz lemma.

Juliusz Bogdan Deczkowski "Laudański" (20 April 1924 in Bydgoszcz – 22 June 1998 in Ciechocinek) was a noted Polish soldier during World War II, and later an engineer and inventor, as well as writer.

Juliusz Alfred Drapella was a Polish brigadier general of the Polish Armed Forces who was most notable during his service in World War II.

Julo Levin, originally Julius (5 September 1901, Stettin - 1943, KZ Auschwitz) was a German Expressionist painter of Jewish ancestry.

Jumah Mohammed Abdul Latif Al Dossari (Arabic: جمعه محمد عبد اللطيف الدوسري) is a Bahraini citizen who was held for five years at Camp Delta, at the US Naval base at Guantanamo Bay.

Junior Pashi Kabunda (born 1991), known as The Monster of Brussels, is a Belgian criminal and serial killer.

Juozas Urbšys (29 February 1896 – 30 April 1991) was a prominent interwar Lithuanian diplomat, the last head of foreign affairs in independent interwar Lithuania, and a translator.

Juraj Herz (4 September 1934 – 8 April 2018) was a Slovak film director, actor, and scene designer, associated with the Czechoslovak New Wave movement of the 1960s.

Jura Soyfer (8 December 1912 – 15/16 February 1939) was an Austrian political journalist and cabaret writer.

Jurek Becker (German: [ˈjuːʁɛk ˈbɛkɐ] ; c. 30 September 1937 – 14 March 1997) was a Polish-born German writer, screenwriter and East German dissident.