Signe Torborg Schmidt-Nielsen

Signe Torborg Schmidt-Nielsen (, 1 December 1878 – 2 October 1959) was a Swedish-Norwegian physicist and nutritionist. She was the first woman to become a member of the Royal Norwegian Society of Sciences and Letters.

Family Signe Torborg Sturtzen-Becker was born on 1 December 1878 in Stockholm. Her parents were Vilhelm Teodor Patrik Sturzen-Becker (1841–1910), the son of Swedish poet Oscar Patric Sturzen-Becker, and Astrid Sturzen-Becker (, 1848–1908).

Sturtzen-Becker married chemist Sigval Schmidt-Nielsen [ no, sv] in 1907 in Stockholm. They had four children,

Career Schmidt-Nielsen studied for her PhD in physics at Stockholm University She was also the first woman to become a member of the Royal Norwegian Society of Sciences and Letters. including into the rennet of calves and the vitamin content of herrings.

Death Schmidt-Nielsen died in 1959 in Stockholm. She was buried at , Trondheim, Norway.