David Ray Wilkerson (May 19, 1931 – April 27, 2011) was an American Christian evangelist, best known for his book The Cross and the Switchblade. He was the founder of the addiction recovery program Teen Challenge and the global missionary organization World Challenge, and founding pastor of the interdenominational Times Square Church in New York City. Wilkerson emphasized such Christian beliefs as God's holiness and righteousness, God's love toward humans and especially Christian views of Jesus.…