Complex sentence: The studio was founded in 1907 in Chicago, Illinois by George K. Spoor and Gilbert M. Anderson, originally as the Peerless Film Manufacturing Company, but on August 10,1907 changing the name to Essanay ("S and A").
Split into simpler sentences: The studio was founded in 1907 in Chicago, Illinois, by George K. Spoor and Gilbert M. Anderson, originally as the Peerless Film Manufacturing Company. On August 10,1907, the name was changed to Essanay ("S and A").