Fr. Joseph Ackerman, OSB 60th anniversary of priesthood Posted on July 11, 2018August 20, 2018 by Brother Webmaster Fr. Joseph Ackerman, OSB was recognized by St. Peter’s Abbey on his 60th anniversary of his priesthood. The recognition was, July 11, on the Feast of St. Benedict. Fr. Joseph, 93, was ordained on June 8, 1958. brkurt Webmaster I am a Benedictine monk of St. Peter’s Abbey, Muenster, Saskatchewan. Posted in News.