Dr. Walter Irvine Wells, of Lexington, Ma., formerly of Kansas City, Mo., passed away peacefully on November 12, 2016, at the age of 91. Walter was the beloved husband of the late Marjorie Dean (Merrifield) Wells. He was the dear father of two children: daughter, Cynthia Anne Van Wingerden married to Nicolas II, and son, Gregory Dean Wells.

Walter was a loving grandfather to four: Nicolas Van Wingerden III, married to Anne Virginia, the late Andrew Van Wingerden, Jeffrey Dean Wells, and Jamie Beth Schneider married to Andrew Jacob. He was a great-grandfather to six: Crystelle Rene, Andrew Micah, Chloe Grace, and Wesley Walter Van Wingerden, and Lily Joy and Levi Raphael Schneider.

Walter and Marjorie came to Boston in 1950 to attend MIT where Walter went on to earn his BS, MS, and PhD in electrical engineering. His entire professional career was devoted to his work on a variety of national defense projects at the MIT Lincoln Laboratory.

The family attended Grace Chapel in Lexington, MA, where Dr. Wells served faithfully over the years.

Services will be held on Tuesday, November 22, 2016, at 11 a.m., at the Hamilton United Methodist Church, Hamilton, Missouri, followed immediately by a luncheon and time of fellowship from 12 to 2 p.m., and with interment following at the Rose Hill Cemetery, Breckenridge, Mo.

A reception will be held for local friends and family at the family home in Lexington, Ma., in the summer of 2017.

In lieu of flowers, donations in his memory may be made to International Teams, 411 West River Rd., Elgin, Il., 60123, to support the overseas ministry of his grandson, Nicolas Van Wingerden.