24 (born c. 1929,[1] died November 28, 1993) was the name given to a deaf and later blind man in Jacksonville, Illinois, who was put in a mental institution in 1945 as a teenager.

Musician Mary Chapin Carpenter wrote a song about him, also called 'John Doe No.

[3] In the early morning hours of October 11, 1945, two police officers found a black teenager wandering on the streets of Jacksonville, Illinois.

[1] After spending years in mental health institutions, during which he slowly became blind, Boyd was transferred to the Smiley Living Center in Peoria in 1987.

[2][4] When American singer Mary Chapin Carpenter learned of Doe's life, she purchased a tombstone and placed it over his unmarked grave.