Complex sentence: Robert Stephen John Sparks, FRS, CBE, the Chaning Wills Professor of Geology in the Department of Earth Sciences at the University of Bristol, who is one of the world's leading volcanologists and has been widely recognised for his work in this field.
Split into simpler sentences: Robert Stephen John Sparks, FRS, CBE, Chaning Wills Professor of Geology in the Department of Earth Sciences at the University of Bristol. He is one of the world's leading volcanologists and has been widely recognised for his work in this field.