Melvin L. Cheatham, M.D., is a clinical professor of neurosurgery and a past-president of the California State Neurosurgical Society. He has given up his private practice to devote himself to full-time medical relief work and evangelism projects in developing and war-torn countries. Dr. Cheatham also serves on the board of Samaritan's Purse and on the board of The Billy Graham Evangelistic Association. He has written two books, Come Walk with Me and Living a Life That Counts.