As one of the leading artists of the Scandinavian Design movement, Kittelsen received several awards and honors in the 1950s, including the Lunning Prize in 1952, and the 1954 Grand Prix at the Triennale in Milan for her enamel collection.
She also participated in an art installation at the Milan Triennale and exhibited in a solo show at the Lucca Center of Contemporary Art.
He exhibited a piece inspired by the Genoese workers’ strikes at the 1st Brera Triennale in 1891 and was arrested on charges of anarchism in 1894.
In 2008 architectural historian Kenneth Frampton nominated him for the inaugural BSI Swiss Architecture Award for architects under the age of 50 and his work was exhibited as part of the Milan Triennale and Venice Biennale in the same year.
In 2010 he exhibited at the Paul Robeson Gallery of Rutgers University in Newark in “Bittersweet”, at the Other Gallery in Shanghai in “Suspension of Disbilief”, at Palazzo della Triennale in Milan, at SUPEC – Shanghai Urban Planning Exhibition Center.