Sonja Landweer (1933-2019)
Sonja Landweer was born in 1933 in Amsterdam (NL). She studied briefly at what was then known as the “Instituut voor Kunstnijverheid”, nowadays famous as the Rietveld academy, in 1952. In 1953/1954 she worked at the Zaalberg factory in Zoeterwoude, after which she started her …