Fritz Wiessner

Fritz Wiessner (February 26, 1900 – July 3, 1988) was a German American pioneer of free climbing. Born in Dresden, Germany, he immigrated to New York City in 1929 and became a U.S. citizen in 1935. In 1939, he made one of the earliest attempts to conquer K2, one of the most difficult mountains in the world to climb.