Underwood's legacy is visible at various Christian educational institutes in
Seoul. There is a statue of Underwood in the centre of the
Yonsei University campus, and the Underwood Activity Centre of
Seoul Foreign School is dedicated to his grandson,
Richard F. Underwood. Underwood's descendants continued to develop Korean society, religion, politics and education for over one hundred years. His son,
Horace Horton Underwood (1890–1951) continued the tradition of education and worked at Yonhi University, another predecessor of Yonsei University. His grandson, Horace Grant Underwood II (1917–2004) who, among other notable achievements, served as an interpreter in the
Korean War armistice talks. His great-grandson, Horace Horton Underwood II (1942– ), served as a professor of
English literature at
Yonsei University. The Underwood family is no longer involved with mission work but continues to serve in Korea at the
US Embassy in
Korea and in business. The New Brunswick Theological Seminary has an endowed chair in honour of Underwood for a professor specialising in Global Christianity and missions. ==See also==