50 Crucial Questions: An overview of central concerns about Manhood and Womanhood

John Piper is founder and teacher of desiringGod.org and chancellor of Bethlehem College & Seminary. For 33 years, he served as pastor of Bethlehem Baptist Church, Minneapolis, Minnesota. He is author of more than 50 books, including Desiring God: Meditations of a Christian Hedonist and most recently Providence.

Wayne Grudem is Research Professor of Theology and Biblical Studies at Phoenix Seminary in Arizona. He is a graduate of Harvard (BA), Westminster Seminary-Philadelphia (MDiv, DD), and the University of Cambridge (PhD). He has served as the president of the Evangelical Theological Society (1999), as a member of the Translation Oversight Committee for the English Standard Version of the Bible, and was the General Editor for the ESV Study Bible (2008). He has written more than 20 books, including Systematic Theology, The Gift of Prophecy in the New Testament and Today, Business for the Glory of God, Politics According to the Bible, and (with Barry Asmus) The Poverty of Nations: A Sustainable Solution. He also co-edited (with John Piper) Recovering Biblical Manhood and Womanhood.