Name: Gregory T. McAllister, 75 of Bethlehem Township, passed away Wednesday, May 19, 2010 at Moravian Hall Square, Nazareth, PA. Born: He was born on July 6, 1934 in Boston, MA, a son of the late Gregory T. and Marjorie Plunkett McAllister, Sr. Personal: Gregory and his wife, Marialuisa celebrated their 48th wedding anniversary last December 2nd. He was employed as a math professor at Lehigh University, retiring in 1999. Gregory was a graduate of the University of California, Berkley, earning his doctorate in mathematics. He proudly served our country in the US Army during the Vietnam era. Memberships: Gregory was of the Catholic faith. Survivors: In addition to his wife, Gregory is survived by his sons Kevin and wife Kristin McAllister of Cincinnati, OH, Matthew and his wife Kasia McAllister of Bethlehem Twp., his daughter Sabina Coghe and husband Paolo of London, England, and his sister Virginia Vanden Bosch. Services: Calling hours will be held Friday evening from 6:00pm until 8:00pm and Saturday from 9:15am until 11:00am in the Morello Funeral Home, Inc., 3720 Nicholas St. Palmer Twp. Funeral services will be held on Saturday at 11:00am in the funeral home. Interment will be in Holy Saviour Cemetery, Bethlehem. A reception will be held following the interment at Moravian Hall Square at 2:00pm. Online condolences may be offered at www.morellofuneralhome.com Memorial Contributions: In lieu of flowers, contributions may be made to the Center for Animal Health and Welfare, 1165 Island Park Rd. Easton, PA 18042 or to Alzheimers Association Research Fund 399 Market St. Suite 102, Philadelphia, PA 19106 in memory of Gregory.