John Calvin Maxwell is an American author, speaker, and pastor who has written many books, primarily focusing on leadership. Titles include The 21 Irrefutable Laws of Leadership and The 21 Indispensable Qualities of a Leader. Some of his books... Wikipedia
Born: 1947 (age 77 years), Garden City, MI
Spouse: Margaret Maxwell (m. 1969)
Parents: Melvin Maxwell and Laura Maxwell
Period: 1979–present