Ida C. Pruitt (1888–1985), a China-born American social worker, author, speaker, interpreter and activist in Sino-American understanding. Her biographer called her "China's American Daughter." In the 1920s and 1930s she supervised social work in the Peking Union Medical College, then after the outbreak of the Second Sino-Japanese War was a major actor in the Chinese Industrial Cooperatives. After the Chinese Communist Revolution of 1949, she retired to the United States but continued to advocate warmer relations with China.