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.
LeopoldInfeld. en Professor Leopold Infeld Polish physicist photo taken by myself scanned selfphotographed Koperczak talk March UTC DEFAULTSORT Infeld Leopold Leopold Infeld births deaths
Page 2023 Free-images.com. All images are Public Domain