Sigvard Törnqvist was born on April 2, 1917 in Jönköping, Jönköpings län, Sweden. He is known for his work on Räkna de lyckliga stunderna blott (1944), A Girl of Solbakken (1957) and Only a Mother (1949). He died on April 17, 1990 in Lidingö, Stockholms län, Sweden.