From left, foreground: Foremost organic chemist Prof.Nikolai Mishutkin of the St.Petersburg University, Dmitry Mendeleyev (1834-1907) and English scientist, Mendeleyev's friend Henry Roscoe (1833-1915) attending the 57th conference of the British Association for the Advancement of Science. From the Dmitry Mendeleyev Memorial Museum Archives adjacent to the Zhdanov Leningrad State University named. Reproduction of 1984.
- Categories: Politics, Science & Technology
- Location: London, United Kingdom
- Event date: 17.09.1887
- Date published: 17.07.2009
- Author: RIA Novosti
- Source: Sputnik
- Credit: Sputnik
- Original: 84-6594, 35 mm film
- Media: JPEG, 3515x2652px, 2.3Mb