Phillip Campbell is history teacher for Homeschool Connections and the author of numerous works of Catholic history. He is best known for the Story of Civilization books from TAN Books. Phillip has a BA from Ave Maria University and a certificate in Secondary Education from Madonna University. He has been involved in historical writing, teaching, and curriculum development for over 15 years. Phillip is the founder of the Catholic publishing company Cruachan Hill Press. More of his historical essays can be found on the website Unam Sanctam Catholicam. He resides in southern Michigan.
Author: Phillip Campbell
Hyperpapalism Under Pope St. Gregory VII (1015-1085)
Above: Canossa, Italy, where Emperor Henry IV did penance before Pope Gregory VII. Public Domain. From Hypothetical Speculation to Fearful Reality In light of the unprecedented centralization of authority under the Francis pontificate, discussions on the extent of papal power …