What artist originally completed a degree in radiochemistry, but left his job at the Hanford Atomic Energy Project and pursued art full-time due to his dismay about the threat of atomic weapons?

What British painter and printmaker was evacuated with his mother and sister to the USA during WWII, where he first saw work by Stuart Davis, Matisse, and Picasso at the Museum of Modern Art?

Answers here~ https://schristywolfe.com/2015/08/06/august-6/