Dr. Keller was the founding pastor of Redeemer Presbyterian Church in New York City, and author of several books – including "The Reason for God," "The Prodigal God," and "The Meaning of Marriage" (which he co-authored with his wife of 48 years, Kathy). An ordained pastor in the Presbyterian Church in America, Keller had also taught at Westminster Seminary and served on the staff of Mission to North America.
According to his website, a livestream worship service will be held in the coming weeks.