In 1971, he published two volumes on the organic chemistry of palladium which were ``widely recognised as the most authoritative account of the organo-complexes of this metal''. Maitlis was elected a Fellow of the Royal Society in 1984. The citation highlights _his_ work on the platinum group metals palladium, rhodium and iridium. <sep>, Pronoun: his <sep>, A: Maitlis <sep>, B: Fellow