Jan Sehn

Jan Sehn (22 April 1909 – 12 December 1965) was a Polish lawyer, 1945 to 1947 investigating magistrate, and professor at Jagiellonian University since 1961.

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.

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 Klemens Stefan Sielecki (1903–1980).