This Dutch painter and designer was part of the Dutch modernism movement in the 1920’s, creating lithographic posters for a variety of clients including KLM, Amstel, and the 1928 Summer Olympics.

This Catalan artist began drawing in his teens during a long convalescence from a serious illness contracted in 1940, and later abandoned his law studies to devote himself entirely to art.

Answers here~ https://schristywolfe.com/2015/12/13/december-13/