1990
On the Photo:
- Semjonov, Boris (left)
- Morozov, Nikita F. (right)
Annotation: 80th Birthday of L. Collatz, 06.07.1990
Location: Hamburg
Author: Ansorge, Rainer (photos provided by Ansorge, Rainer)
Source: R. Ansorge, Hamburg
Year: 1990
Photo ID: 8597
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