Watson and the Shark (1778), oil on canvas, National Gallery of Art, Washington D.C | artwork by John Singleton Copley

Watson and the Shark (1778), oil on canvas, National Gallery of Art, Washington D.C | artwork by John Singleton Copley

Dead Matador (1864–1865), oil on canvas, National Gallery of Art | artwork by Édouard Manet

Dead Matador (1864–1865), oil on canvas, National Gallery of Art | artwork by Édouard Manet

Ginevra de’ Benci (c. 1474), oil on panel, National Gallery of Art, Washington, D.C. | artwork by Leonardo da Vinci

Ginevra de’ Benci (c. 1474), oil on panel, National Gallery of Art, Washington, D.C. | artwork by Leonardo da Vinci