Grimm, Wilhelm Karl, philologist, younger brother of the preceding, born at Hanau; was associated both in his appointments and work with his brother, the two being known as the Brothers Grimm; edited several old German poems, his principal work “Die Deutsche Heldensage” (1786‒1859).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Grimm, Jacob Ludwig * Grimm's Law