William Henry Johnson, born to a poor African American family of former slaves in New Jersey, was exhibited for over 60 years under the fabricated stage name Zip the Pinhead. Born with microcephaly, he was marketed by P.T. Barnum as a mute missing link captured in Africa, though historians debate whether he had any intellectual disability at all.

Barnum shaved his head, dressed him in a furry suit, and displayed him in a cage while audiences hurled coins and slurs. Yet the resilient human being inside the illusion mastered the sideshow industry, wore bespoke formal wear in private, and late in life rescued a drowning girl, shattering the dehumanizing character forced upon him.

• The name Zip derived from a racist minstrel archetype of the era.
• Barnum exploited public misunderstanding of Darwin to sell the missing link backs ...