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.
Hieronim Martynowski. en Hieronim Martynowski Polish mathematician Tygodnik Illustrowany Polkowski other versions PDold Uncategorized June Mathematician from Poland People born in Ludwikowo
Page 2023 Free-images.com. All images are Public Domain