The following individuals have a common bond.
Josef Stalin
Ty Cobb
Ray Liotta.
Betty Grable
WWII Pin Up Girl ~ Betty Grable
Katie Holmes
Edwin H Armstrong
Christine Aguilera
Brad Pitt
Archduke Ferdinand
Stephen Spielberg
Roger Smith
Billie Elish
Sia
Keith Richards
Pete Juliano
One of them is a radio pioneer, most are in the entertainment field but there is at least one baseball player and one dictator in the gaggle.
Have you figured out the common bond?