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.
Christoph Zenger .jpeg Prof Dr Christoph Zenger selfphotographed Aisano Computer scientists from Germany Zenger Mathematicians from Germany Zenger births Cczero
Page 2023 Free-images.com. All images are Public Domain