Namesakes
Robert Stack
(m) 1919-2003 
Emmy Award Winners 1960 The Untouchables (actor)
Notable Actors and Entertainers (actor)
Allen Stack
(m) 1928-1999
Olympic Medalists 1948 swimming - 100 m backstroke (gold)
Kelli Stack
(f) 1988-
Olympic Medalists 2010; 2014 ice hockey (silver)