Fritz Wiessner
Fritz Wiessner (February 26, 1900 – July 3, 1988) was a pioneer of free climbing. Born in Dresden, Germany, he emigrated to New York City in 1929. He became a U.S. citizen in 1935.
Personal facts
| Birth date | February 26, 1900 |
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| Date of death | July 03, 1988 |
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