Professor Wayne Orchiston is a Senior Researcher at the National Astronomical Research Institute in Chiang Mai, Thailand, and formerly worked in optical and radio astronomy in Australia and New Zealand. He has published on the history of Australian, English, French, Georgian, Indian, Indonesian, Iraqi, Japanese, New Zealand and USA astronomy, and has supervised a large pool of graduate students. Like Tsuko Nakamura, Orchiston has played a leading role in developing history of astronomy through International Astronomical Union Commission 41, and was responsible for the formation of the Historic Radio Astronomy and Transits of Venus Working Groups. He is the Editor the Journal of Astronomical History and Heritage.Professor Tsuko Nakamura for many years worked at the National Astronomical Observatory of Japan in Mitaka, Tokyo, where he carried out research on Japanese astronomical history and on comets and minor planets. He has published many research papers on Japanese astronomical history and edited a number of books and conference proceedings (several of which were in collaboration with Wayne Orchiston). Nakamura has played a leading role in developing history of astronomy through International Astronomical Union Commission 41 and its associated Working Groups. He also serves on the Editorial Board of the Journal of Astronomical History and Heritage.