Academie '63, Haarlem, The Netherlands, 1964
Icelandic College of Arts and Crafts, Reykjavik, 1963
i8 Gallery, Reykjavik, Iceland
Gallery Van Gelder, Amsterdam, The Netherlands
Galleri Riis, Oslo, Norway
In 1978, with 19 other artists, Gudmundsson co-founded Reykjavik's Living Art Museum, which is dedicated to experimental and innovative contemporary visual art. His artworks have been exhibited internationally, including at the 37th Venice Biennale, the National Gallery of Iceland, and the Stedelijk Museum in Amsterdam, and his public commissions have been displayed in Rotterdam, Groningen, and The Hague.