Roland List was a professor in the Atmospheric Physics group from 1963 until his retirement in 1994. A graduate of ETH Zurich, he was a world expert in cloud microphysics, particularly the ice phase, and remained very active in research and service well into his retirement. The long list of honours achieved during his career include Fellowship in the Royal Meteorological Society UK, the American Meteorological Society and the Royal Society of Canada, as well as holding the position of Deputy Secretary-General of the UN World Meteorological Organization in Geneva from 1982-84. During his career he supervised 44 M.Sc. and 33 Ph. students.