Knud Leif Thomsen ( 2 September 1924 &ndash; 14 October 2003 ) was a Danish film director and screenwriter . He directed 14 films between 1960 and 1975 . His film '' Duellen '' was entered into the 12th Berlin International Film Festival . Two years later , his film '' School for Suicide '' was entered into the 14th Berlin International Film Festival
12th Berlin International Film Festival
12th Berlin International Film Festival
Knud Leif Thomsen