Mark John Callahan, M.D.

ROCHESTER, MINN:Mark Callahan, Mayo Clinic Cardiologist, died on Wednesday, December 28, nine days after being diagnosed with pancreatic cancer.He grew up in Rochester and attended Harvard University and the University of Minnesota medical school.Mark completed an Internal Medicine residency and Cardiology training at the Mayo Clinic from 1978 to 1984.He specialized in Echocardiography. Mark was a fellow of the American College of Cardiology and enjoyed teaching in the Mayo Medical School for 12 years and in other settings, particularly Heart House. He was especially devoted to maintaining a patient-centered clinical practice. His hobbies included astronomy and travel.Mark was an Eagle Scout and had served as Scout Master for Troop 82.He was also very involved in organizing and participating in several medical missions to Haiti, Mexico and Guatemala. He is survived by his wife, Jane, his children, Sarah and Matthew, his mother Dorothy, his six siblings, Christopher (Mado), Peter, Paul (Julie Ross), Joan (Steve) Farrell, Peg (Mark Beckel) and Betsy and many other nieces and nephews and relatives. The memorial service for Mark will be held at Zumbro Lutheran Church at 10 A.M. on Friday, January 6, 2012.There will be visitation at 9 A.M. and coffee following the service.Memorials, if desired, may be given to the Poverello Foundation of St. Marys Hospital or the newly-formed Mark J. Callahan Mayo Medical School Scholarship, both at 200 1st St. SW Rochester, 55905.