Mark Brown: The Guardian

An inky and remarkably clear thumbprint left by Leonardo da Vinci on one of his drawings held by the Queen is to go on public display as part of events marking the 500th anniversary of his death.

Curators hope the imprint will bring people closer to the Italian master than ever before. “You can really feel the man at work on this drawing, with his inky fingers,” said Martin Clayton, the head of prints and drawings at the Royal Collection Trust. “That makes me feel a little tingly.” …Read More

Pictured: A detail of Leonardo’s thumbprint on his drawing of the cardiovascular system and principal organs of a woman. Photograph: Royal Collection Trust