Hermann Hankel was a German mathematician who was born in Halle, Germany and died in Schramberg (near Tübingen), Germany. He studied and worked with, among others, Möbius, Riemann, Weierstrass and Kronecker. Wikipedia
The definitive Wikipedia entry for Hermann Hankel. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Hermann_Hankel
