[1] Carl Martin Tage William-Olsson was born in London, England.
His parents were Swedish businessman William Olof Olsson (1862-1923) and his wife Maria Bergman (1862-1954).
In 1925 he started his own architectural firm which he had until 1930, when he became an employee of the city planning office in Stockholm.
In the 1930s, Lundborg proposed a design for the area of Slussenområdet in central Stockholm.
The planning commission for the Slussen construction project included architects Tage William-Olsson and Holger Blom (1906- 1996), in collaboration city planning officials including engineer Gösta Lundborg (1883-1959).