By far one of the coolest and under rated behind the scenes guys has to be Ben Burtt
Mr Burtt created some of the most famous movie sounds ever, including R2D2’s mechanical chatter and the whir of the lightsaber
He has signed this image and in his own words explains the story behind it
I went to Marineland down in Long Beach, CA, to record a walrus for a possible Wookiee effect," "Its pool had been drained for cleaning—the walrus was stranded at the bottom, moaning—and that was the sound!"
A big thank you to my mate Doug for the love here