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Welcome to the documentary In the Studio from the BBC World Service, the program that investigates the creative process.
I'm Antonia Quirk, and this edition is unusual in that its subject has been dead some 60 years.
They don't take much encouraging, come up and be painted.
They don't pose.
They usually come up and say, will you paint me?
In the 1940s to the early 1960s, the Scottish artist Joan Eardley painted portraits