Dr. Harris was trained in Chemical Engineering, then called to the ministry and trained at Westminster Seminary with graduate work in the University of Pennsylvania, Dropsie College, and Johns Hopkins. He taught nineteen years at Faith Theological Seminary, twenty-five years at Covenant Theological Seminary, and after retirement at seminaries in Hong Kong, Germany, the Netherlands, and elsewhere. He was a charter member of the NIV translation committee, also of the Evangelical Theological Society, chief editor of the Theological Wordbook of the Old Testament, and author of other books and articles. He was an ordained minister in the Presbyterian Church of America. He passed away on April 25, 2008.