LANTHORN, PETER WILLIAM 74, of Littleton, passed away Wed., Nov. 1, 2017. Preceded in death by parents Bruce and Mary. Survived by loving wife of 46 years, Teresa; children, Burke (Sandra) of Plainfield, IL, Matthew (Jennifer) of Boca Raton, FL, Alison (Raul Revuelta) of Madrid, Spain; 4 grandchildren with 1 on the way; brothers Mark of Helena, MT, and Wayne of Kingsport, TN. Taught English and Spanish for six years, followed by a fulfilling career in the Federal Bureau of Investigation. After retiring in 1999, he spent his time in contract investigations for several federal agencies. Recitation of the Rosary Wed. 11/8 7:00pm, Horan & McConaty, 3101 S. Wadsworth Blvd., Lakewood. Funeral Mass Thurs., 11/9, 10:30am, St. Frances Cabrini Parish, 6673 W. Chatfield Ave., Littleton. HoranCares.com.