Until 1833 he served as a missionary in Pueblo, Col., Cheyenne, Wyo., Kenosha, Wis. and Minneapolis, Minn. From 1883 he occupied charges in New Hampshire, New York city, Hartford, Conn., Chicago, Ill., and Providence, R.I.[2] On March 5, 1899 he became Rector of the Church of the Holy Trinity, Philadelphia.
Rev Schaeffer, President of the General Synod of the Reformed Church in the United States said: ”A great pulpit orator and ready writer with a strong personality, large heart and liberal hands, he was a fearless champion of righteousness and a stanch defender of the faith.”[2] The Mayor of Philadelphia J. Hampton Moore said: “He was one of the outstanding clergymen of the city and country.
A community can ill afford to lose men of such high ideals and sterling worth.”[2] His funeral officiated by Bishop Francis M. Taitt on March 28, 1932 was attended by hundreds of people, many of which were unable to gain admittance in the church.
Reverend Floyd W. Tompkins helped Philip Jaisohn found the first branch of The League of Friends of Korea in Philadelphia at the First Korean Congress in April 1919.
[5] The board of governors of the Philadelphia branch of the League of Friends of Korea included influential Methodist and Presbyterian ministers as well as several notable businessmen.