Complex sentence: Michael Greenberg (born 28 November 1914, died 19 April, 1992), a scholar of Chinese economics and history, was alleged to have provided a Soviet spy with information during the 1940s, but was never charged with espionage.
Split into simpler sentences: Michael Greenberg (28 November 1914-19 April 1992) was a scholar of Chinese economics and history. He was alleged to have provided a Soviet spy with information during the 1940s, but was never charged with espionage.