Henri Joseph Depelchin, SJ, was a Belgian Jesuit priest and missionary in India and Africa. As a missionary, he was the first superior of the failed Zambesi Mission in Africa and the founder and first superior of the West Bengal Mission in India. As an educator, he was the founder and first director of three major colleges in India.

Eugène Lafont, S.J., was a Belgian Jesuit priest, who became a missionary in India, where he became a noted scientist and the founder of the first Scientific Society in India.