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.
Leon Wolf. Leon Wolf Narodowe Archiwum Cyfrowe Sygnatura author PDPoland AnonymousEU Fotografia portretowa pochodzca archiwum Ilustrowanego Kuriera Codziennego Leon Wolf Black and white photographic portraits of men
Page 2023 Free-images.com. All images are Public Domain