Jan Sehn (April 22, 1909 – December 12, 1965), was a Polish lawyer, 1945-1947

investigating magistrate In an inquisitorial system of law, the examining magistrate (also called investigating magistrate, inquisitorial magistrate, or investigating judge) is a judge who carries out pre-trial investigations into allegations of crime and in some cases ma ...

, and professor at Jagiellonian University since 1961. He was member of the Commission for the Investigation of Nazi War Crimes, and Chairman of the Kraków District Commission until 1953. In 1945 and 1946, he led the investigations on the site of the Nazi concentration camp Auschwitz-Birkenau. As an investigation judge he prepared the accusation act of the former camp commandant Rudolf Höß. From 1949 director of the Institute of Forensic Research in

Kraków Kraków (), or Cracow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city dates back to the seventh century. Kraków was the official capital of Poland until 1596 ...

. Sehn died suddenly 1965 in

Frankfurt Frankfurt, officially Frankfurt am Main (; Hessian: , " Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on it ...

. In 1966 Institute of Forensic Research in Kraków was named after Jan Sehn. He was the cousin of Wanda Szczerba (1910–1998), who was married to engineer and technical director of

Fablok Fablok is a Polish manufacturer of locomotives, based in Chrzanów. Until 1947 the official name was ''First Factory of Locomotives in Poland Ltd.'' ( pl, Pierwsza Fabryka Lokomotyw w Polsce Sp. Akc.), Fablok being a widely used syllabic abbreviat ...

Klemens Stefan Sielecki Klemens Stefan Sielecki (December 8, 1903 in Stanisławów, Austria-Hungary – July 14, 1980 in Kamień Pomorski, Poland) was a Polish engineer and technical director of the first Polish Locomotive Factory Fablok in Chrzanów in the post-war year ...

(1903–1980).

Selected publications

*''Wspomnienia Rudolfa Hoessa komendanta obozu oświęcimskiego'', ed. Jan Sehn, Warsaw, 1960. *''Konzentrationslager Oswiecim-Brzezinka (Auschwitz-Birkenau)'', Warsaw, 1957. 1909 births 1965 deaths Academic staff of Jagiellonian University 20th-century Polish lawyers {{Poland-law-bio-stub