When I was 18, I thought my father was pretty dumb. After a while when I got to be 21, I was amazed to find out how much he'd learned in three years.

Butler (1850–1926) husband of Annie Oakley and a sharpshooter
Frank Butler (baseball) (1860–1945) baseball player
Francis Butler (1810–1874) American author and veterinarian
Frank Chatterton Butler.