Allan Blackman is an Associate Professor of Chemistry inthe Department of Chemistry, University of Otago, Dunedin, NewZealand. He has a PhD in Physical Inorganic Chemistry, and hisresearch interests include coordination chemistry and chemicalkinetics. He has 22 years experience in both teaching andresearch, is the co-author of a best-selling Australasian-focusedfirst-year Chemistry textbook, and has won teaching awards at hishome university. His monthly musings on things chemical can befound at http://neon.otago.ac.nz/chemistry/magazine/. Lawrence R. Gahan is a Professor of Chemistry in theSchool of Chemistry and Molecular Biosciences, The University ofQueensland, Australia. He has a PhD in Chemistry, has activeresearch interests in bioinorganic chemistry, and has publishedextensively in international journals. Professor Gahan has 30years experience in university teaching with variousteaching and learning grants, and local and national awards for histeaching. In addition, he has been awarded competitive grants tosupport his chemistry research.