John Christian Frederick Heyer, German missionary.
Heyer, John Christian Frederick was born on July 10, 1793 in Helmstedt, Germany. Son of Johann Gottlieb and Frederike (Wagener) Heyer.
Studied theology under Doctor Justus H. C. Helmuth and Doctor Frederick D. Schaeffer, 1809-1814. Attended Göttingen (Germany) U., 1815-1816. Studied medicine and Sanskrit, Baltimore, 1840-1841.
Came to Philadelphia, circa 1807. Taught Zion Church School, Southwark, Philadelphia, 1813-1815. Licensed as Lutheran preacher by Pennsylvania Ministerium, 1817.
Itinerant preacher in Pennsylvania, 1817-1818. Preacher Cumberland parish, Maryland., 1818-1824. Ordained to ministry Lutheran Church, Lancaster, Pennsylvania, 1820.
Pastor at Somerset, Pennsylvania, 1824-1827, 32-37, Carlisle, Pennsylvania, 1827-1828. Secretary West Pennsylvania Synod, 1828-1831, president, 1831. Agent Sunday School Union of Evangelical Lutheran Church in the United States, 1830-1832.
Missionary German Foreign Missionary Society in India, 1842-1872, took furlough periods, 1846-1847, 57-69. Founded 1st foreign mission of his church, Guntur, India, 1842. Spent his 2d furlough as missionary in Minnesota, 1857-1869.