Christine Bladon has many years of experience teaching chemistry to university and senior students at secondary school. She was Head of Chemistry for seven years at Harris Westminster Sixth Form in London, and her university research interests focused on the bioorganic field. Her publications include Pharmaceutical Chemistry: Therapeutic Aspects of Biomacromolecules. Peter Wyatt is a Senior Lecturer at Queen Mary, University of London. His research in synthetic organic chemistry often involves collaboration with life scientists and physicists. He has contributed more than 70 academic articles to the scientific literature on subjects ranging from amino acids to light‑emitting materials.