Tollak Bakke Sirnes (17 October 1922 15 October 2009) was a Norwegian physician, psychiatrist and pharmacologist. Sirnes was born in Haugesund, and had eleven siblings of whom ten were older. He finished his secondary education in Haugesund in 1942. He then enrolled at the University of Oslo. This was during World War II, and Sirnes was arrested by the German occupation force following the 28 November 1943 university fire in Oslo. Of a total of 1,166 students arrested, 644 were sent to Germany for "readjustment". Sirnes was imprisoned in Buchenwald and Neuengamme concentration camps, but survived and was released at the war's end.