Complex sentence: Andrew Stewart Mackenzie was born in December 1956 in St Albans, England, grew up in Kirkintilloch, Scotland, and was educated at the University of St Andrews where he graduated with a first class bachelor's degree in Geology in 1977.
Split into simpler sentences: Andrew Stewart Mackenzie was born in December 1956 in St Albans, England, and grew up in Kirkintilloch, Scotland. He was educated at the University of St Andrews, where he graduated with a first class bachelor's degree in Geology in 1977.