Here's an example of a more unusual portrait by Yousuf Karsh. Taken in 1967, it is of Emilio Pucci, fashion designer and politician, and his wife Baronessa Cristina Nannini. Mike Hartley of bigflannel, designer of both the Yousuf Karsh website and aCurator, says it's his favourite Karsh.

Emilio Pucci, 1967 © Yousuf Karsh