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.
Tethart Philipp Christian Haag Tethart Philipp Christian Haag (Kassel, 22 May 1737 – The Hague, 23 August 1812) was a Dutch artist and court painter to William V of Orange-Nassau and the director of cultural institutions in The Hague.