Complex sentence: Joshua Prawer (November 22,1917--April 30,1990) was a notable Israeli historian and a scholar of the Crusades and Kingdom of Jerusalem whose work often attempted to portray Crusader society as a forerunner to later European colonialist expansion.
Split into simpler sentences: Joshua Prawer (November 22,1917--April 30,1990) was a notable Israeli historian and a scholar of the Crusades and Kingdom of Jerusalem. His work often attempted to portray Crusader society as a forerunner to later European colonialist expansion.