Ravi Zacharias (26 March 1946 – 19 May 2020) was an Indian-born Canadian-American Christian apologist. Zacharias was the author of more than 30 books on Christianity, including the Evangelical Christian Publishers Association's Gold Medallion Book Award winner Can Man Live Without God? in the category "theology and doctrine" as well as Christian bestsellers Light in the Shadow of Jihad and The Grand Weaver. Zacharias was the founder and chairman of the board of Ravi Zacharias International Ministries (RZIM) and host of the radio programs Let My People Think and Just Thinking. He was a lifelong minister of the Christian and Missionary Alliance, the Keswickian Christian denomination in which he was ordained.