Rev. Lyle E. Schaller Dies at 91. Church Growth Consultant

Highly influential church growth consultant, Lyle Schaller, taught sociological principles to churches, which made them more attractive and effective in gaining audiences. His approach helped shape modern churches, although it also raised concerns about whether sociology should trump biblical theology’s emphasis on God’s role in conversion and the role of tradition in guiding congregational life. Rev. Lyle E. Schaller Dies at 91; Helped Protestant Churches Survive and Grow – NYTimes.com.