Video has emerged of the academic wearing a studded white leather jacket and "robot" visor glasses, while rapping to the song (I've Had) The Time of My Life from the film Dirty Dancing.

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He became president of Dartmouth College in 2009, where he made a memorable appearance as a rapping spaceman, complete with white, studded leather jacket, at a college talent show.

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Keith trotted at her side, a small, thin lad, in his white leather zip-up jacket, his jeans and black plastic shoes.

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They are both described as white, one being 6ft, well built and wearing a brown leather jacket at the time.

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Cooper might consider taking style points from Eddie Redmayne whose off duty look for the event (a layering of black leather biker jacket, unbuttoned chambray shirt and white tee over gray pants) was an exercise in looking cool.

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