Left: Paul Mounet (1847-1922), was a medical doctor and actor in France, who earned acclaim for his role in a production of Shakespeare’s “Hamlet.” Right: Keanu Reeves on March 1, 2014; maybe Reeves had a hand up from a previous life when he starred in “Hamlet'?

L: (Painting by Louis-Maurice Boutet de Monvel); R: Adrian Sanchez-Gonzalez/AFP/Getty Images
Left: Philip IV of Spain, 15th century. Right: Mark Zuckerberg of Facebook on Sept. 11, 2013.

L: (Painting by Diego Velázquez); R: Steve Jennings/Getty Images for TechCrunch
Left: Actress Dorothy Dandridge in the trailer for the film “The Decks Ran Red” (1958). Right: Halle Berry on Jan. 29, 2014.

R: Jesse Grant/Getty Images for Leisure Opportunities
Left: A self-portrait of David Wilkies c. 1804. Right: Actor Rupert Grint on Feb. 2013.

R: Pascal Le Segretain/Getty Images
We’ve saved the best for last:
Left: Paul Revere (1735-1818), patriot of the American Revolution (Shutterstock). Right: Jack Black on Aug. 21, 2013.

L: (Shutterstock). R: Frederic J. Brown/AFP/Getty Images