Chemistry in Context for Cambridge International as & a Level Online Student Book

Graham Joseph Hill (PhD, Flinders University) is an adjunct research fellow and associate professor in the School of Theology at Charles Sturt University. In 2024 he received the Medal of the Order of Australia (OAM) for service to theological education. His books include Global Church, Healing Our Broken Humanity, and World Christianity, shortlisted for the 2025 Australian Christian Book of the Year. He lives in Sydney with his wife, Shyn.

John Holman is Emeritus Professor in the Chemistry Department at the University of York, Past-President of the Royal Society of Chemistry (2016-2018), and Senior Adviser in Education at the Gatsby Foundation. He was the Founding Director of the National Science Learning Centre from 2004 until September 2010, and adviser to the English government as National Science, Technology, Engineering and Mathematics (STEM) Director from 2006 until September 2010. He has taught learners of chemistry at both school and undergraduate level, has created curricula and written books for science learners up to and including undergraduates, and was the founding director of the Salters Advanced Chemistry programme. In 2014 he was named by the Science Council as one of the 100 leading practising and inspirational UK scientists and in the same year won the Royal Society of Chemistry's Lord Lewis Award and the Royal Society's Kavli Education Award. In 2010 he was knighted by the Queen for services to education.