In Greek mythology, the river Phlegethon {"(river of) fire") was one of the five rivers of the underworld. It flowed with fire that burned but did not consume fuel.
... Rosenkranz
Johann Karl Friedrich Rosenkranz (April 23, 1805 - July 14, 1879), German philosopher, was born at Magdeburg.
He read philosophy at Berlin, Halle and ...