What is henry martin tupper?

As an AI language model, I do not have access to all information about every individual in the world, but here's what I could find on Henry Martin Tupper:

Henry Martin Tupper was an American missionary and educator who lived from 1831-1911. He spent most of his life working in Japan, where he served as a representative of the American Board of Commissioners for Foreign Missions. He is credited with helping to establish a number of schools and colleges in Japan, including Doshisha University in Kyoto. Tupper was also a prolific writer, and published several books on Japan and his experiences there. He played a key role in the development of Christianity in Japan, and is considered a significant figure in the history of the country's modernization.