Otto Brahm was a German drama and literary critic, theatre manager and director. His productions were noted for being accurate and realistic. He was involved in the foundation of the progressive Die Freie Bühne company, of which he became president and producer. He also edited the company's weekly magazine of the same name, but later changed its name to Die neue Rundschau.
Otto Braun was a German communist journalist and functionary of the Communist Party of Germany with a long and varied career. His most significant role was as a Comintern agent sent to China in 1934 to advise the Communist Party of China (CPC) on military strategy during the Chinese Civil War. At the time Braun adopted a Chinese name, Li De. It was only many years later that Otto Braun and "Li De" came to be known as the same person.
Otto Heinrich Carque was a French–American businessman, fruit grower, naturopath, raw foodist, vegetarian and writer. He was the first to use the term natural food.
Otto Eduard Vincenz Ule was a German writer, known for his popularization of natural sciences, and liberal politician. He was the father of botanist Ernst Heinrich Georg Ule (1854–1915) and geographer Wilhelm Ule (1861–1940).
Otto Ehrenfried Ehlers was a German traveller who is known for his account of a long trip through inland Southeast Asia, documented in his 1894 book Im Sattel durch Indochina, and recently republished by White Lotus Press of Thailand in English as a three-part series entitled On Horseback Through Indochina.
Otto Frederick Hunziker was a pioneer in the American and international dairy industry, as both an educator and a technical innovator. Hunziker was born and raised in Switzerland, emigrated to the U.S., and studied at Cornell University. He started and developed the dairy program at Purdue University when such programs were at their infancy. At this same time, Hunziker was heavily involved with the development of the American Dairy Science Association (ADSA) and the standardization and improvement of many dairy tests and processes. Hunziker wrote several of the leading dairy processing texts, which continue to be cited. After leaving Purdue University, Hunziker managed research and operations at a large, national condensary, continued to drive ADSA's standardization and publishing efforts, represented the U.S. at international dairy congresses, and facilitated dairy industry improvements across the globe.
