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.
Ludwig Riess. Lugwig Riess lib utokyo ac jp html University of Tokyo Library circa Author PDJapanoldphoto Black and white photographic portraits of men Ludwig Riess
Page 2023 Free-images.com. All images are Public Domain