who painted the laughing cavalier
Set in Holland in 1623/1624, and published in 1913, The Laughing Cavalier, by the British novelist Baroness Orczy, revolves around Percy Blake, a foreign adventurer and ancestor of the Scarlet Pimpernel who goes by the name Diogenes who, we are told by Orczy, is the real subject of the famous painting The Laughing Cavalier by Frans Hals.