G. Thompson "Tommy" Brown (April 30, 1921 - January 21, 2014) was the Professor Emeritus of World Christianity at Columbia Theological Seminary, a missionary, author, and the Director of the Division of International Mission for the Presbyterian Church in the United States (PCUS).[1] He spent much of his life in Korea focusing on strengthening the Presbyterian Church there. His daughter is Mary Brown Bullock, who was President of Agnes Scott College and a foundation executive in developing exchange with China.