of the Nikolaus conference December, 4-5, 1998:
Roberto Maria Avanzi (Essen), Christine Bessenrodt (Magdeburg), David Bessis (Paris), Karel Dekimpe (Kortrijk), Bettina Eick (Kassel), Anne Henke (Oxford), Thorsten Holm (Magdeburg), Alexander Hulpke (St. Andrews), Gabor Ivanyos (Budapest), Wolfgang Kimmerle (Stuttgart), Wolfgang Lempken (Essen), Kay Magaard (Detroit), Gunter Malle (Kassel), Dirk Mattig (Heidelberg), Jean Michel (Paris), Werner Nickel (Darmstadt), Peter P. Palfy (Budapest), Richard Parker (Cambridge), Götz Pfeiffer (Galway), Ed Robertson (St. Andrews), Frank Röhr (Aachen), Jon Thackray (Cambridge), Rob Wilson (Birmingham)
and, of course, most people and students of Lehrstuhl D and people from the other institutes in Aachen.