This article presents information on several symposiums on dermatology in different parts of the world. One of the meeting was the annual meeting of the Society for Paediatric Dermatology that will be held on 28-3 1 July 1993 at Snowmass, Colorado. The meeting will immediately follow the 42nd annual Symposium on the Biology of Skin. Another symposium was the International Symposium on Photo dermatology on 28 May 1993, Utrecht at the Netherlands. The subjects covered will be Phototherapy, Photodermatitis, Photoimmunity, UV Genotoxicity, UV Carcinogenicity, Ozone Depletion. Speakers will include Professors M.Kripke, F.Urbach, D.Bootsma and J.C.van der Leun. International experts will present overviews of their fields of research. The symposium has been organized for the occasion of Professor J.C.van der Leun's retirement.