Complex sentence: Simmons grew up in East London and then East Lincolnshire until the age of 12, studied physical geography (BSc) and holds a PhD from the University of London (early 1960s) on the vegetation history of Dartmoor.
Split into simpler sentences: Simmons grew up in East London and then East Lincolnshire until the age of 12. He studied physical geography (BSc) and holds a PhD from the University of London (early 1960s) on the vegetation history of Dartmoor.