Gerrit Dou's The Physician is a favourite work in our collection:
As was common practice, this subject has been copied and re-copied many times. The undisputed king of the doctors is in the Kunsthistorisches Museum in Vienna, where it is signed and dated:
But he is also to be found at the Rijksmuseum in Amsterdam painted by Jan van Staveren:
And at the Pushkin Museum in Moscow:
And as a print, the doctor now downgraded to a mere charlatan, can be found in the British Museum:
With thanks to Jeremy Marshall for this original research.