Answer:
Robert Redford, Ludwig von Beethoven, M.C. Escher AND Helen Keller were all lefties!

Scroll down for a few more notable southpaws:
You might be surprised!
Have I forgotten any of your favorite left-handers? Is one of the people here not really a lefty? Let me know.
Authors
Mark Twain
H.G. Wells
Hans Christian Andersen
Lewis Carrol
Bernadette de Wit
Bill Bryson
Richard Condon
Pablo Casals
Scientists and Philosophers
Albert Einstein
Friedrich Nietzsche
Benjamin Franklin
Artists
Paul Klee
Albrecht Durer
Leonardo da Vinci
Hans Holbein
M. C. Escher
Musicians & Composers
Karl Phillip Emmanuel Bach
Ludwig von Beethoven
Sergej Rachmaninoff
Sergej Prokoffiev
Maurice Ravel
Niccollo Paganini
Benjamin Britten
Phil Collins
Natalie Cole
Bob Dylan
Paul McCartney
Sting
Kurt Cobain
George Michael
Paul Simon
Jimi Hendrix
Carly Simon
Cole Porter
Robert Plant
Politicians
Alexander the Great
Napolean Bonaparte
George Bush*
Julius Caeser
Charlemagne
Winston Churchill
Bill Clinton*
Dwight D. Davis
Gerald Ford*
James Garfield*
Thomas Jefferson*
King Louis XVI of France
H. Ross Perot
Ronald Reagan*
Nelson Rockefeller
Harry Truman*
(* people were US presidents. Supposedly, 10% of the population is left-handed, yet about 17% of US presidents were.)
Celebrities & Actors
Peter Fonda
Marilyn Monroe
Rex Harrison
Dick van Dyke
Cary Grant
Greta Garbo
Rock Hudson
Shirley MacLaine
Carol Burnett
George Burns
Charlie Chaplin
Brent Spiner
Dan Ackroyd
Tom Cruise
Nicole Kidman
Bruce Willis
Julia Roberts
Robert de Niro
Pierce Brosnan
Richard Dreyfuss
Whoopi Goldberg
Keanu Reeves
Sarah Jessica Parker
Matthew Broderick
Tim Allen
Goldie Hawn
Diane Keaton
Oprah Winfrey
Jim Henson
Jerry Seinfeld
Jay Leno
Lou Gehrig
Babe Ruth
Monica Seles
O. J. Simpson
Marc Spitz
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