Igor Rudan (born 7 March 1971) is a Croatian-British scientist, writer, and science communicator. He creates popular science books and documentaries. Igor Rudan is a medical doctor with two master’s degrees (in anthropology and epidemiology) and two Ph.D. degrees (in public health and genetic epidemiology). He is a highly cited scientist who published more than 500 research papers, which have received more than 140,000 citations to date and with H-index of 130.