István Beöthy (Etienne)
After WWI, Beöthy studied architecture in Budapest. In 1919 he met Moholy-Nagy and Lajos Kassák, who introduced him to the MA group and influenced his work towards Constructivism. In 1920 he enrolled at the College of Fine Arts to study sculpture and travelled around Europe. In Paris he founded the Abstraction-Création group in 1932. After WWII he continued to write about theory of colour and proportion.