When was the Dutch artist who was part of Art Concret born?
Art Concret Art Concret was an avant-garde group of artists formed in 1929 in Paris, France, championing a geometrical abstract art closely related to the aesthetics of Neo-plasticism. It consisted of Otto G. Carlsund, Theo van Doesburg, Jean Hélion, Marcel Wantz and Léon Arthur Tutundjian.
Jean Dulieu Jan van Oort (13 April 1921 in Amsterdam – 29 November 2006 in Arnhem) was a Dutch children's book writer and comic strip cartoonist, working under the pseudonym of Jean Dulieu. He is known for his creation of "Paulus the woodgnome".