Or rather, Kenny Baker, who operated the droid. He was 83, and had been ill for some time. Here he is at the opening night of the last Star Wars film:
This picture's from the Guardian.
But he was much more than just the operator of R2D2.
In his long career, he worked as the shadow ringmaster in Billy Smart's Circus, and with many famous British comedians of the 1960s and 70s. He was even a Diddyman with Ken Dodd! He also played the harmonica as part of the Minitones musical comedy duo, and he could ice skate, starting off in Holiday on Ice and appearing in ice shows for the next twenty years all over the world. He was one of those old-fashioned variety entertainers who could turn his hand to anything.