Academician Abram Ioffe (standing) and young physicist Numerov (sitting) studying isotopes at the Leningrad Physico-Technical Institute.
- Categories: Science & Technology
- Location: Russia
- Event date: 01.03.1935
- Date published: 14.03.2005
- Author: RIA Novosti
- Credit: Sputnik
- Source: Sputnik
- Original: Р66-3886, 6x9 film
- Media: JPEG, 3000x2157px, 1.4Mb