Milton Richard Tennerstedt “Dick” formerly of Wilmette passed away suddenly and peacefully on October 12, 2009. He was born on May 31, 1932 and grew up in Evanston. Dick graduated from Evanston High School and then earned an engineering degree from Northwestern University. He served in the U.S. Army as an engineering specialist working on the Honest John Rocket system. After his military release he worked as an engineer at Bodine Electric where he met his wife of 49 years, Darlene. He earned his MBA from the University of Chicago, began his own engineering consulting business, and later opened Gear Systems, a gear manufacturing company in Lake Villa. Dick was a lover of the outdoors including over 60 years of competitive sailing, race car driving, hiking and mountain climbing. He later developed a passion for flying which he shared with his grandchildren. He was the beloved husband of Darlene nee Kary; loving father of Elizabeth (Jeff) Sedin; dear grandfather of Brian and Molly Sedin and the loving brother of the late Jane (the late James) Bayer. Memorial Service Saturday, 10:30 a.m. at Northminster Presbyterian Church, 2515 Central Park Avenue, Evanston, IL 60201. In lieu of flowers, memorials may be made to the Northminster Endowment Fund or the Northminster Bell Choir Fund, both care of the church.