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.
Kortland lecturing . en Picture taken of the Dutch ethologist Adriaan Kortlandt while lecturing on animal psychology Taken in spring From my own collection pictures Peter Prudon Adriaan Kortlandt
Page 2023 Free-images.com. All images are Public Domain