1. Successor of Panteanus as head of Alexandrian catechetical school from ca. 200 til his death about 215
2. Presbyter in Alexandrian church
3. Greek puritan who understood philosophy as the tool for leading Greeks to Christ
4. Four important surving works:
1. Exhortation to the Heathen
2. Protrepticus (Address) designed to convert pagans
3. Instructor - first treatise on Christian conduct
4. Stromateis (Miscellanies) - scrapbook of thoughts

Derived from Gospel Parallels, Ed. Burton H. Throckmorton, Jr., 1979, Thomas Nelson Publishers, Nashville