John Ball was a prominent figure in the 14th century, known for his role in the Peasants' Revolt of 1381 in England. He was a priest who advocated for social reform and the rights of the lower classes. Ball's speeches inspired many peasants to rise against the oppressive feudal system, seeking better living conditions and the abolition of serfdom. Ball is often remembered for his famous phrase, "When Adam delved and Eve span, who was then the gentleman?" This statement highlighted the idea that social class distinctions were unnatural. His leadership and ideas contributed significantly to the movement, although he was eventually captured and executed.