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.
Frhlich Izidor fizikus. hu Frhlich Izidor magyar elmleti fizikus egyetemi tanr Magyar Tudomnyos Akadmia igazgatsgi tagja mtak hu pdf author PDold Izidor Frhlich
Page 2023 Free-images.com. All images are Public Domain