Polytechnical Museum Director General Gurgen Grigoryan during a news conference devoted to the opening of an exhibition in honor of Dmitry Mendeleyev's 175th birthday.
- Categories: Arts, Culture & Entertainment
- Location: Moscow, Russia
- Event date: 25.02.2009
- Date published: 25.02.2009
- Author: Vladimir Vyatkin
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 2894x1976px, 1.7Mb