Geffcken Johannes, a Lutheran clergyman of Germany, was born in 1803 at Hamburg. He became in 1829 pastor of St. Michael's church, in his native city, and retained this position until his death, October 2, 1865. He wrote a history of Semipelagianism (Gesch. des Semzipelagiasnismus (Hamb. 1826); on the division of the Decalogue (Ueber die verschiedene Eintheilung des Dekalogus, Hamb. 1838 on the picture catechism of the 15th century (Ueber d. Bilderkatechism, des 15ten Jahrhunderts, Leipz. 1855), and several other works. Allgem. Real-Encyklop. s.v.
The Cyclopedia of Biblical, Theological, and Ecclesiastical Literature was edited by John McClintock and James Strong. It contains nearly 50,000 articles pertaining to Biblical and other religious literature, people, creeds, etc. It is a fantastic research tool for broad Christian study.
John McClintock was born October 27, 1814 in Philadelphia to Irish immigrants, John and Martha McClintock. He began as a clerk in his father's store, and then became a bookkeeper in the Methodist Book Concern in New York. Here he converted to Methodism and considered joining the ministry. McClintock entered the University of Pennsylvania in 1832 and graduated with high honors three years later. Subsequently, he was awarded a doctorate of divinity degree from the same institution in 1848.WikipediaRead More