Helen Scales is a British marine biologist, broadcaster, and writer. Personal life and education. Helen Scales learnt to scuba dive when she was 16 as part of the Duke of Edinburgh's Award, and from this experience wanted to know more about life underwater. She studied at St John's College, Cambridge as an undergraduate and holds an M.Sc. in Tropical Coastal Management from the University of Newcastle Upon Tyne. Scales was awarded a Ph.D. from St John's College, Cambridge in 2005; her thesis title was Exploitation of coral reef fish for the live reef fish trade.
https://en.wikipedia.org/wiki/Helen_Scales