Addressed to Pius’s secretary, the Rev. Robert Leiber, the letter was written by a German Jesuit priest, the Rev. Lothar Koenig, who was a member of a German resistance movement.

Source: https://www.nytimes.com/2023/09/16/world/europe/pope-pius-holocaust.html

Because Ong had entered the Jesuit order in 1935, he devoted the subsequent years of his young life to his lengthy Jesuit formation - finally being ordained a Jesuit priest in 1946 - the year in which Ong turn thirty-four.

Source: https://www.opednews.com/articles/Walter-J-Ong-on-Historica-American-History_American-Republic_Cultural-Cognition_Cultural-Evolution-230910-771.html

Corriere della Sera has reproduced a letter dated 14 December 1942 from a German Jesuit priest, Rev. Lothar Koenig, to Pius’ secretary.

Source: https://www.euronews.com/2023/09/16/new-claims-that-ww2-pope-pius-xii-knew-about-nazi-crimes

Gerard Manley Hopkins was a poet and Jesuit priest whose literary work has been studied in schools for decades.

Source: https://www.lancashiretelegraph.co.uk/news/23350489.blackburn-choir-celebrate-englands-greatest-poet-tribute-concert/?ref=rss