Dr Gani is internationally recognised for his researches in probability and statistics, and for his scientific leadership. He has published in many papers on the stochastic theory of water storage, inference in Markov chains, the applications of mathematics to genetic, virological, and epidemic problems, and to demography and linguistics. He was Director of the joint Manchester-Sheffield School of Probability and Statistics, and if the founder and editor-in-chief of three mathematical journals. Two of these, devoted to research in applied probability, are the leading journals for research on these subjects.