Wiesław KielarWiesław Kielar was a Polish author, filmmaker, and prisoner in the concentration camp Auschwitz.Arrest and CareerKielar was arrested at the beginning of 1940 in Jarosław and was one of the first prisoners of concentration camp Auschwitz. He spent almost five years in different parts of the complex. He held various positions, including nurse, writer and "prison senior". After the Second World War he went to the National Film School in Łódź and worked as a filmmaker. About his stay in Auschwitz, he wrote the memoir Anus Mundi: 1,500 Days in Auschwitz/Birkenau.