Joseph F. Rock (1884-1962), an Austrian-American explorer, botanist, linguist, teacher, photographer, and geographer known for his extensive explorations and botanical collections, particularly in China and Southeast Asia, where he spent over two decades.
Joseph F. Rock (1884-1962), an Austrian-American explorer, botanist, linguist, teacher, photographer, and geographer known for his extensive explorations and botanical collections, particularly in China and Southeast Asia, where he spent over two decades.