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.
Keywords from Image Description:
Vavilov family. Photo of Nikolay Ivanovich Vavilov Sergey Ivanovich Vavilov and their mother Aleksandra Mikhailovna Saidaziz eng scanned the photo from the book Biography of Nikolay Vavilov by Sergey Reznik Moscow Molodaya Gvardiya russian Author PDRusEmpire Nikolai Vavilov Sergey Ivanovich Vavilov Vavilov family