Pi Tau Sigma Mechanical Engineering Honor Fraternity Members - Joe Utz, Bob Morand, Terry Calvin, John Nelson, John Parolin, Earl Hartman, Steve Couch, Lou Markovich, John McKelvey, Tom Martin, Mike O'Brien, Rich Richter, Ed Fitzpatrick, Tom Dunn, Bob Posival, Denny Ducate, Jim Matas, and Frank McGrath [this photo was published in the 1970 Dome yearbook, page 157], 1969-1970

Pi Tau Sigma Mechanical Engineering Honor Fraternity Members - Joe Utz, Bob Morand, Terry Calvin, John Nelson, John Parolin, Earl Hartman, Steve Couch, Lou Markovich, John McKelvey, Tom Martin, Mike O'Brien, Rich Richter, Ed Fitzpatrick, Tom Dunn, Bob Posival, Denny Ducate, Jim Matas, and Frank McGrath [this photo was published in the 1970 Dome yearbook, page 157], 1969-1970, GDOM 011/20C, Box: GDOM 011, Folder: 20C. Notre Dame: Dome Yearbook Records, DOM. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1236414 Accessed September 20, 2026.