Clifford, Don: - Author Don Clifford has led adult Bible Studies for over 50 years, many o them team teaching with his wife, Karen. The couple also teamed up in writing about their experience as life-long Christians whose marriage and faith survived the loss of three of their living children. Don authored Grace Enough for Three, Losing Three Children but Finding God's All-Sufficient Grace. The couple co-authored Heavenly Grief, a Guide to Spiritual and Emotional Healing. Their two living daughters have blessed them with six grandchildren and nine great grandchildren. Karen died of Parkinson's Disease in 2020.Don had a rewarding career as a physicist and aerospace engineer. He specialized in studies of atmospheric electricity and its effects on aircraft. He worked with NASA and the Defense Department, leading groups who designed lightning protective measures for the Space Shuttle and several military aircraft.After his retirement, Don and Karen traveled extensively, leading mission tours in Europe and South America. Don is president of Agape Communications, owners and operators of Christian radio station KSGL in Wichita, Kansas. Don served on the Executive Board of the Missouri Baptist Convention. He now lives in Missouri and leads Bible studies at the First Baptist Church in St. Charles. He would be happy to hear from readers of Wisdom Betrayed.