Birgit Hagen (born 4 October 1912 in Ål, died April 7, 2004, same place) was a Norwegian textile artist, painter and designer.

Wikipedia: Birgit Hagen
https://www.wikiwand.com/no/Birgit_Hagen

Hallingdal Museum: Birgit Hagen
http://www.hallingdal-museum.no/birgit-hagen-tekstilkunstner/

Digitalt Museum: Birgit Hagen
https://digitaltmuseum.no/021105991657/billedkunstner-birgit-hagen?o=0&n=320

Photos:
https://www.flickr.com/photos/antoinettejanssen/albums/72157695976939510