Petty, Sir William, political economist, born in Hampshire; was a man of versatile genius, varied attainments, and untiring energy; was skilled in medicine, in music, in mechanics, and in engineering, as well as economics, to which especially he contributed by his pen (1623‒1687).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Pettie, John * Petty Jury