Otto Wiesinger was a German businessman in China and the United States who escaped the siege of Tsingtao, China, in 1914. The Otto Wiesinger papers (1915-1984) includes correspondence, memoirs, and clippings relating to the siege of Tsingtao, China, in 1914; Wiesinger's experiences following the siege; social conditions in China during the 1920s; and conditions in Germany during World War II.

Otto Wiesinger was a German businessman in China and the United States. He fought in Tsingtao, China during World War I, and during the Japanese siege of the city, in 1914, Wiesinger escaped and walked back to Shanghai. He was an importer-exporter in Shanghai during the 1920s and sought to import arms to support warlord Chang Tso-lin. In the 1930s, he and his wife had an Asian arts store in San Francisco, in the St. Francis Hotel, that went bankrupt during the Great Depression. In 1938, Wiesinger returned to Nazi Germany to support Hitler. He lived in Berlin during the Berlin air lift after World War II.

4 manuscript boxes, 1 oversize box (1.6 Linear Feet)

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