Tracy D. Terrell
Tracy Dale Terrell (June 23, 1943 – December 2, 1991) was an American professor, linguist and education theorist who wrote The Natural Approach along with Stephen Krashen. The Natural Approach is a way of teaching language, or methodology. In this methodology, learners should be exposed to a lot of language. The approach also says that lowering effective or emotional barriers to learning is important.