Academician Ivan Pavlov, right, talks to Leon Orbeli before the 25th International Congress of Physiologists opening ceremony. Leningrad
- Categories: Human Interest, Science & Technology
- Location: Leningrad, Russia
- Event date: 09.08.1935
- Date published: 30.03.2005
- Author: RIA Novosti
- Source: Sputnik
- Credit: Sputnik
- Original: Р67-426, 6x9 film
- Media: JPEG, 3000x1850px, 1.2Mb