Art historian claims to have found a red chalk drawing that Michelangelo Buonarroti used while working on a fresco in the Sistine Chapel, according to The Art Newspaper. According to Paul Joannides, the drawing is a sketch for "

Joannides is professor emeritus of art history at Stanford and plans to publish his research in The Burlington Magazine.. He believes that the drawing of a naked man is associated with one of the figures that fight the serpent..

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According to the scientist, the figure in the figure is depicted at a different angle, but it coincides with the fresco if it is rotated 90 degrees..

Other experts in the field want to look at the drawing before making any judgments..

The existence of the drawing became known after its owner, an anonymous Jewish collector, sent Joannides a photograph of it through an intermediary.. The work was bought privately in 2014, then Rosso Fiorentino, a follower of Michelangelo of the 16th century, was considered its author..

Other red chalk drawings by Michelangelo relating to work on the Sistine Chapel are in the collection of the Ashmolean Museum, Oxford..