Specialists on Nepticuloidea in 20th century. 10 Joseph Klimesch, in his house, Linz, October 1983 11 Donald R. Davis in his office, December 2006, USNM, Washington DC 12 Christopher Wilkinson, April 1982, Cambridge, European Congress of Lepidopterology 13 Arthur Maitland Emmet, with C Wilkinson, Essex, UK, October 1979 14 Meeting for preparation of the Nepticulidae volumes for Fauna Entomologica Scandinavica, Copenhagen, October 1980: from left: Ebbe S. Nielsen, Roland Johansson, Chris Wilkinson, Bert Gustafsson, Niels Peder Kristensen 15 Rimantas Puplesis, standing (now Jonas R. Stonis), Erik J. van Nieukerken, in Zoological Institute, Leningrad, September 1985 16 Get together of leafminer enthusiasts at house of Aleš Laštůvka, Prostejov, Czech Rep., September 1994, from left: Steven Whitebread, Zdeněk Laštůvka, Roland Johansson, Aleš Laštůvka. Scans from transparencies by Erik J. van Nieukerken.