The Belgian philosopher Leo Apostel (Antwerp, 4 September 1925 - Ghent, 10 August 1995) studied with Baron Chaim Perelman, Rudolf Carnap and Jean Piaget. He promoted at the ULB in Brussels, lectured logic and philosophy of science at the Ghent University and the Vrije Universiteit Brussel. In his so-called "natural philosophy" he worked in his beliefs as freemason. Wikipedia
The definitive Wikipedia entry for Leo Apostel. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Leo_Apostel
