This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Frantiek Bza Jakub Smolk. Josef Smolk esk numizmatik historik matematik Svtozor issue ucl cas cz php path SvetozorII Frantiek Bza after photo Frantiek Bza Svtozor Mathematicians in art PDArt
Page 2023 Free-images.com. All images are Public Domain