About the Author

Norman Geisler (PhD, Loyola University) is president of Southern Evangelical Seminary and author or coauthor of over fifty books including Decide for Yourself, Baker's Encyclopedia of Apologetics, and When Skeptics Ask. Norman L Geisler, es presidente de la Region seminario Evangelical. Es escritor de mas the 50 libros incluyendo. Decide por ty misma, Baker's Encyclopedia de Disculpas. Y Cuando Skeptics Preguntan. El es co-esritor de " Es La Iglesia Lista?", acompanada del libro " A Quien Hizo Dios?". For thirty-three years Ravi Zacharias (MDiv, Trinity International University) has spoken all over the world in great halls and universities including Harvard, Princeton, and Oxford. He is listed as a distinguished lecturer with the Staley Foundation and has appeared on CNN and other international broadcasts. The author of several books, he powerfully mixes biblical teaching and Christian apologetics. His weekly radio program, Let My People Think, is broadcast over 1,500 stations worldwide, and his weekday program, Just Thinking, began airing in November 2004. He is president of Ravi Zacharias International Ministries, headquartered in Atlanta, Georgia, with additional offices in Canada, India, Singapore, the United Kingdom, and the United Arab Emirates. Dr. Zacharias and his wife, Margie, have three grown children and reside in Atlanta. Ravi Zacharias nacio en la India. Luego de obtener su maestria en la Trinity Evangelical Divinity School, inicio un ministerio como orador que le ha permitido recorrer el mundo (y ofrecer conferencias en las universidades Harvard, Princeton y Oxford) como una autoridad reconocida en el campo de las religiones comparadas, sectas y filosofia. Ravi vive con su esposa Margaret en Atlanta y tienen tres hijos ya en edad adulta.