Castulus is the name of several early Christians:
1. The zetarius, or manager of the summer and winter dining-rooms of Diocletian or Maximiari. He lodged in a garret in the palace. and sheltered the Christians there. He was examined three times, then thrown into a pit, and finally buried alive. He is commemorated March 26, and a cemetery on the Via Lavicana is said to bear his name.
2. An Arian presbyter, whom Ambrose rescued out of the hands of the orthodox multitude at the time of the conflict about the basilicas at Milan (Ambrose, Epist. 20, 5).
3. A martyr along with Zoticus (q.v.) in Egypt or in Africa, Jan. 12.
4. A martyr at Ancyra, in Galatia, Jan. 23, according to the Hieronymian Mart., Smith, Dict. of Christ. Biog. 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