Father Joseph Fessio with then Cardinal Joseph Ratzinger during his 1999 visit to Ignatius Press / Dorothy Petersen and Eva MunteanDenver, Colo., Jan 4, 2023 / 10:50 am (CNA).As a young priest, Father Joseph Fessio, SJ, studied theology under Joseph Ratzinger, who more than 30 years later would be elected Pope Benedict XVI. Fessio went on to found the San Francisco-based Ignatius Press in 1978, the main publisher of Ratzinger's works in the English language. Here, he speaks with CNA about his memories of Pope Benedict XVI, who died on Dec. 31. This interview has been edited for clarity and length.Father Fessio, could you please tell us how you came to study under Father Joseph Ratzinger?I did my theology studies as a young Jesuit in a foreign nation in France, in Fourvière, the Jesuit theologate there. I got to know Father Henri de Lubac, who became my mentor. When it came time for me to do doctoral studies, I asked him for a recommendation on what theme I should take. He sugge...