Stephen R. Covey, author of "The Seven Habits of Highly Effective People," has died in Idaho three months after a serious bicycle accident in Utah.

Ryan Cameron of Covey's consulting firm, Franklin Covey, said the author died 2:15 a.m. Monday at Eastern Idaho Regional Medical Center in Idaho Falls amid complications from the accident. He was 79.

Covey also wrote three other books that have all sold more than a million copies. He is the co-founder of Utah-based professional services company Franklin Covey.

The former Brigham Young University professor who was named to Time's 25 Most Influential Americans list in 1996.

The accident happened April 19 on a steep road in the foothills of Provo, Utah, about 45 miles south of Salt Lake City. Covey was unconscious and taken to a hospital, where doctors found some signs of bleeding.