What DO the following list of people have in common?  Beyond the fact that they are all either famous or infamous.  

Robert David Hall 
Abraham Lincoln
David Bohm
Sir Isaac Newton
Greg Louganis 
William Orville Douglas 
Hank Williams, Sr.
Howard Hughes  
Jimmy Knepper  
Itzhak Perlman 
Franklin Delano Roosevelt 
Galileo Galilei  
Benjamin Franklin
Dennis Day  
Mary Todd Lincoln
Lionel Aldridge 
Thomas Edison 
William Elsworth
Michelangelo
Nikola Tesla   
John George Haigh 
Alexander Graham Bell
Hans Christian Andersen 
Alfred Nobel
Hannibal
Joe Adcock 
Baruj Benacerraf
Benjamin Disraeli  
William Tecumseh Sherman 
Alastair Hignell  
Carrel Cowan-Ricks 
Jacqueline Creed Archer
Natalie Mandzhavidze  
Sir Augustus Frederic D'Este 
Kristi Yamaguchi  
George Gordon Byron 

There are some pretty smart folks around here... what DO you all think that the people listed have in common? Please don't resort to Google... that's taking the lazy way and (quite frankly) my SIX year olds can answer the question correctly so it's REALLY not that difficult.