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.
Gordon Zubrod. en Gordon Zubrod researcher of cancer org GordonZubrod org GordonZubrod PDUSGov Black and white photographic portraits of male scientists Zubrod Oncologists Physicians from the United States
Page 2023 Free-images.com. All images are Public Domain