Complex sentence: Christopher John "Chris" Wickham, FBA, FLSW (born 18 May 1950) is Chichele Professor of Medieval History at the University of Oxford and Fellow of All Souls College.
Split into simpler sentences: Christopher John "Chris" Wickham, FBA, FLSW (born 18 May 1950) is a British historian and academic. He is Chichele Professor of Medieval History at the University of Oxford and Fellow of All Souls College.