Sigurd Lewerentz (29 July 1885 – 29 December 1975) was a Swedish architect. Biography. Lewerentz was born at Sandö in the parish of Bjärtrå in Västernorrland County, Sweden. He was the son of Gustaf Adolf Lewerentz and Hedvig Mathilda Holmgren. He initially trained as a mechanical engineer at the Chalmers University of Technology in Gothenburg (1905–8). Later he took up an architectural apprenticeship in Germany. He studied with Westman, Östberg and Tengbom.
https://en.wikipedia.org/wiki/Sigurd_Lewerentz