Complex sentence: Edward E. Simbalist (5 september 1943-12 march 2005) was a role-playing game designor, one of the most famous are Chivalry & Sorcery and Space Opera.
Split into simpler sentences: Edward E. Simbalist (5 September 1943-12 March 2005) was a role-playing game designer. Two of the most famous games he designed are Chivalry & Sorcery and Space Opera.