Uchimura Kanzō was a Japanese author, Christian evangelist, and the founder of the Nonchurch Movement (Mukyōkai) of Christianity during the Meiji and Taishō periods in Japan. He is often considered to be the most well-known Japanese pre-World War II pacifist.

Nitobe Inazō was a Japanese agronomist, diplomat, political scientist, politician, and writer. He studied at Sapporo Agricultural College under the influence of its first president William S. Clark and later went to the United States to study agricultural policy. After returning to Japan, he served as a professor at Sapporo Agricultural College, Kyoto Imperial University, and Tokyo Imperial University, and the deputy secretary general of the League of Nations. He also devoted himself to women's education, helping to found the Tsuda Eigaku Juku and serving as the first president of Tokyo Woman's Christian University and president of the Tokyo Women's College of Economics.