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.
Jan Szczepanik autograph . Jan Szczepanik Polish inventor photo with an autograph tarnow pl php tarnowteraz pl ca after author AnonymousEU Jan Szczepanik
Page 2023 Free-images.com. All images are Public Domain