The Rev. Philip Hefner is an ordained pastor of the Evangelical Lutheran Church in America and has spent his entire career teaching in Lutheran seminaries in Ohio, Pennsylvania, and Chicago (where he retired in 2001). He is the former editor of Zygon: Journal of Religion and Science and he served as the director of the Zygon Center for Religion and Science from 1988–2003. He has held dozens of visiting teaching and lecturing appointments at seminaries, colleges, and universities in the United States, Europe, Africa, and Asia, and he has represented his church on a number of ecumenical commissions.