German philosopher most recognized as the Professor Emeritus at the University of Frankfurt am Main.
He obtained his Ph.D. from the University of Bonn in Germany in 1950.
He was given the Order of Merit of the Federal Republic of Germany Award in 2001.
His family was residing in Düsseldorf, Germany, when he was born.
He and acclaimed philosopher Friedrich Nietzsche both studied at the University of Bonn.