Engineer and teacher of geography and astronomy in Nizhny Novgorod, Alexander Alexeievitch Medvedev is the author of numerous scientific studies, has participated in conferences on space probes and the structure of the universe.
Engineer and teacher of geography and astronomy in Nizhny Novgorod, Alexander Alexeievitch Medvedev is the author of numerous scientific studies, has participated in conferences on space probes and the structure of the universe.