Ravi Zacharias (26 March 194619 May 2020) was an Indian-born Canadian-American Christian apologist who founded the RZIM (Ravi Zacharias International Ministry). He was involved in Christian apologetics for a period spanning more than 40 years. 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.