A week short of his 94th birthday, Estill Lawless lost a six month fight with cancer Thursday, March 19th. Estill saw nearly six years of active military duty, eventually becoming a 21 year old 2nd lieutenant in the 603rd Tank Battalion in the European front of World War II. Following the war he received his BS in Electrical Engineering in 1948 from Oklahoma A&M in Stillwater. From 1961 – 1978, Estill was Chief Engineer for Grand River Dam Authority, overseeing the building of Markham Ferry Dam which opened 50 years ago. Subsequently he worked as a consulting engineer for Allgeier Martin & Associates in Joplin for another 35 years, retiring in 2011 & moving to Tulsa in 2014. He is survived by daughter Anna Lawless Ribordy and husband Clyde, sister Beth Masters and husband Bill, stepdaughters Lecki Graham and Shelley Dalrymple, grandchildren Sarah Shurfield, Courtney Graham and Kenneth Lawless, 3 nephews, 2 nieces, 2 step-grandchildren and the loving families each brought to enrich his life. In lieu of flowers, donations can be made in Estill's honor to a favorite ministry of his, Watered Gardens, 531 Kentucky Ave, Joplin, MO, life@wateredgardens.org life@wateredgardens.org>. Service will be 10:00 AM, Monday, March 23, 2015 at Moore's Southlawn Chapel, 9350 E. 51st, Tulsa, OK. Moore's Southlawn 918-663-2233 share memories at www.moorefuneral.com