Hart of Billerica, November 1, 2010, Leonard D. Hart, age 81. Beloved husband of 53 years of Ruth (Anderson) Hart. Devoted father of Dwight Hart of Billerica, Joann Hart of CA, and Thomas Hart and his wife Del of TX. A memorial service will be held in the New Colony Baptist Church, 30 River St., Billerica, Saturday, November 6, at 11:00 a.m. Relatives & friends invited. Memorials may be made to New Colony Baptist Church or the American Cancer Society, 30 Speen St., Framingham, MA 01701. Member of New Colony Baptist Church, Sons of The American Revolution, Wakefield Gun Club. Avid Ham Radio Operator, Billerica.