The prints and techniques of this Prague born-painter, etcher, and lithographer went through extensive changes as he traveled internationally, learning new methods wherever he went.

This painter, printmaker, and draftsman had a long, prolific, and highly successful career which extended from the late 19th century academic tradition to German Impressionism and finally Expressionism.

Answers here~ https://schristywolfe.com/2015/07/21/july-21/