At age 73, John Havlicek has so much to reflect on — a Hall of Fame career, eight NBA championships that bridged the Russell Celtics of the 1960s and the Heinsohn teams of the 1970s, and a storied career at Ohio State.At age 73, John Havlicek has so much to reflect on — a Hall of Fame career, eight NBA championships that bridged the Russell Celtics of the 1960s and the Heinsohn teams of the 1970s, and a storied career at Ohio State.