CHRISTOPHER L. WEBBER, a graduate of Princeton University and the General Theological Seminary in New York, is an Episcopal priest who has led urban, rural, and overseas parishes. He is the author of several books, including Welcome to Christian Faith, Beyond Beowulf, and A Year with American Saints, co-authored with Lutheran Pastor G. Scott Cady. Webber grew up in Cuba, New York, and lives in San Francisco.

Evelyn Underhill was born in 1875 and died in 1941. These lectures were delivered in 1921, at the height of her success as a writer and poet. She is seen as the greatest Anglican mystic of the twentieth century.