CONANT, Frank Roger Of Bedford, formerly of Lexington, Feb. 26, 2011. Husband of the late Jeannette (Hadley) Conant. Father of Judith C. Yancey and her husband Glenn of Lannett, Alabama, and R. Scott Conant and his wife Judith of Coeur d' Alene, Idaho. Frank is also survived by a grandchild, Dana Brooks Ross, and by 2 greatgrandchildren, McKenzie B. Ross and Chandler Forrest Ross. WWII United States Marine Veteran; B25 Bomber Pilot; MIT Graduate, 1942; Retired from Arthur D. Little. A Memorial Service will be held at the Carleton Willard Chapel in Bedford in April. In lieu of flowers, donations in his memory may be made to the American Cancer Society , 30 Speen St. Framingham, MA 01701 or to Doctors Without Borders USA, P.O. Box 5030, Hagerstown, MD 21741.