Hans Herr, 1639-1725

Michael Schlatter, 1716-1790, born St Gallen, sent to America as missionary to German Reformed settlers in Pennsylvania, where he arrived in 1746. Reorganized the Reformed Church in Philadelphia, later promoted free schools for German settler children.

Philip Schaff, 1819-1893, theologian, born in Chur. Educated in Germany, including theology studies. Arrived in the US in 1844 to take up an appointment as Professor of Church History at the German Reformed Theological Seminar of Mercersburg, Pennsylvania, the church's only seminary in the US at the time. Moved to New York in 1863 when the seminary was temporarily closed as a result of the Civil War. He held various chairs at the city's Union Theological Seminary until his death. He was regarded as a controversial figure, stressing the historical evolution of the church and the Catholic roots of modern Protestantism. He was twice tried for heresy by his own church, and twice acquitted, He is best remembered for his 8-volume "History of the Christian Church" (1882-92).

John Joachim Zubly, (born Johann/Hans Joachim Züblin) (1724 – 1781), pastor and statesman. Born in St Gallen, he was ordained in the German Reformed Church in London in 1744, after which he moved to South Carolina, where his father had already immigrated in 1736. He moved to various parishes in South Carolina and Georgia, finally taking up a position as first pastor of the Independent Presbyterian Church of Savannah in 1760. He was a passionate and articulate supporter of the colonies in their quarrels with Britain, and was elected a delegate for Georgia to the Continental Congress in 1775. However, he opposed independence and was branded a traitor and banished from Georgia. He continued to write fiery anti-independence articles under the pen-name Helvetius. He died three months before the end of the revolutionary war, which he had been convinced would end in defeat for the Americans.