Complex sentence: Sylvan Nathan Goldman (1898-November 27,1984) was a businessman and inventor of the first shopping cart, which he introduced on June 4,1937, in the Piggly-Wiggly supermarket chain in Oklahoma City, of which he was the owner.
Split into simpler sentences: Sylvan Nathan Goldman (1898-November 27,1984) was a businessman and inventor of the first shopping cart. He introduced the device on June 4,1937, in the Piggly-Wiggly supermarket chain in Oklahoma City, of which he was the owner.