Chemistry for IGCSE

Author Information

Chemistry for IGCSE® Authors

Roger Norris is a science educator and examiner with 27 years’ experience in a variety of educational establishments. He has been a principal examiner for 15 years.

As an author he regularly writes training material and conducts teacher training courses for teachers of the 0620 Chemistry syllabus.

Series Editor

Lawrie Ryan, is an experienced author and science educator. As a freelance writer, he has written numerous science courses and publications, mainly for Nelson Thornes, including the best-selling Chemistry for You. He is also a professional development trainer and editor.