Head basketball coach at Kansas State University, 1968-1970.
Head coach with the NBA's Phoenix Suns (1970-1972; 1988-1992; 1996), Atlanta Hawks (1972-1976), Buffalo Braves (1977-1978), Kansas City Kings (1978-1984), and San Antonio Spurs (1984-1986),.
Inducted into the Missouri Sports Hall of Fame in 1981.
Biography in: "The Scribner Encyclopedia of American Lives". Volume 7, 2003-2005, pages 184-185. Farmington Hills, MI: Thomson Gale, 2007.
Inducted into the Naismith Memorial Basketball Hall of Fame in 2021 as a contributor.