Muriel and David Cohen of Longmeadow, formerly of Queens, N.Y., died hours apart on April 10 at the Jewish Nursing Home of Western Mass. They had been married for 78 years. Born in Brooklyn, N.Y. on Dec. 11, 1917, David Cohen was the son of Samuel Cohen and Eva (Blackman) Cohen. He served in the U.S. Army as a radio operator during World War II where he was a liberator at the Ohrdruf Concentration Camp, a satellite camp of Buchenwald. After serving in the military, he became a history teacher in South Jamaica, N.Y. Born in Providence, R.I. on May 4, 1922, Muriel Cohen was the daughter of William Brown and Gertrude (Suslow) Brown. After retirement David and Muriel moved to Longmeadow to be near their children and grandchildren. David spoke about his liberating experiences, teaching area school children about the Holocaust and to “never hate.” During during the liberation, he took an abundance of photographs, some of which can be seen in the National Holocaust Museum in Washington, D.C. He was interviewed by Stephen Spielberg for the Shoah Foundation, as well as the Fortunoff Video Archive at Yale University. Muriel and David are survived by two daughters, Fran Grosnick and her husband, Allen, and Ellie Covey; six grandchildren, Wendi Ginsberg (Keith), Scott Grosnick (Erin), and Daniel, David, and Deborah Covey; and eight great-grandchildren. They were predeceased by a son-in-law, Larry Covey; and a granddaughter, Jodi Beth Grosnick Barron. Memorial contributions can be made to the Jodi Beth Grosnick Barron fund at JGS Life Care, 770 Converse St., Longmeadow, MA 01106.