Edwin M. McMahon ’52 May 28, 1930 – Dec. 6, 2013 The Rev. Edwin M. McMahon died Dec. 6 at his home in Sonora. He was 83. Mr. McMahon was born in Sonora to Anna Mae and Edwin Fremont McMahon. His father was a superintendent of the Mary Harrison and other gold mines in the Sonora area. Mr. McMahon graduated from Sonora High School in the late 1940s. He attended Santa Clara University before entering the Jesuit order in 1953. He earned a master’s degree in philosophy from Gonzaga University in Washington and a doctorate in religious studies from the University of Ottawa in Canada in the early 1970s. Mr. McMahon founded the Institute for BioSpiritual Research with Pete Campbell in the 1970s. He was interested in researching the psychology of religion and creating workshop formats for integrating psychological studies into programs for pastoral care. They co-authored several books and offered workshops throughout the United States, Canada, Mexico, England, Ireland and the Czech Republic. He and his colleague lived in Greeley Hill for a number of years before settling in Sonora eight years ago. Mr. McMahon was preceded in death by his parents. He is survived by his companion and colleague of 60 years, Pete Campbell M.A. ’66, of Sonora; his sisters, Sally Ann Quaglino, of Morro Bay, and Judith Shimer, of Sonora.