The 3ft 8in actor, who starred in six Star Wars films as well as Time Bandits and Flash Gordon, was 83
From the Guardian.com:
The British actor who played R2-D2 in the Star Wars films has died at the age of 83 after a long illness.
Kenny Baker, who was 3ft 8in tall, shot to fame in 1977 when he first played the robot character.
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Source: Kenny Baker, actor behind R2-D2, dies | Film | The Guardian