21 June (Soviet Union, USSR ) within release Rescue of "North Pole-1" Station goes into circulation Stamp Portrait of I. Papanin, E. Krenkel, P. Shirshov & E. Fedorov face value 30 Russian kopek
Stamp is vertical format.
Issued in sheets of 100 (10 x 10) stamps. Portrait of explorers I.D. Papanin, E.T. Krenkel, P.P. Shirshov and E.K. Fedorov aboard the icebreaker "Ermak" in Leningrad.Also in the issue Rescue of "North Pole-1" Station:
Stamp Portrait of I. Papanin, E. Krenkel, P. Shirshov & E. Fedorov it reflects the thematic directions:
Exploration is the process of exploring, an activity which has some expectation of discovery. Organised exploration is largely a human activity, but exploratory activity is common to most organisms capable of directed locomotion and the ability to learn, and has been described in, amongst others, social insects foraging behaviour, where feedback from returning individuals affects the activity of other members of the group.
Exploration is the process of exploring, an activity which has some expectation of discovery. Organised exploration is largely a human activity, but exploratory activity is common to most organisms capable of directed locomotion and the ability to learn, and has been described in, amongst others, social insects foraging behaviour, where feedback from returning individuals affects the activity of other members of the group
A scientist is a person who researches to advance knowledge in an area of the natural sciences