Ivan Yefremov, writer and professor of paleontology.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date: 01.03.1957
- Date published: 21.03.2005
- Author: Mikhail Filimonov
- Credit: Sputnik
- Source: Sputnik
- Original: АС-490, 6x6 film
- Media: JPEG, 3000x2816px, 2.2Mb