Karl Prantl, Panamarenko, Lev Valdemarovich Nusberg, Francois Morellet, Kenneth Martin, Ad de Keijzer, Ewerdt Hilgemann, Kees Franse, Ad Dekkers, Getulio Alviani, Antoinette Hilgemann-de Stigter ed., Ryszard Winiarski, Herman de Vries, Sýkora

David Saunders, Antoinette Hilgemann-de Stigter ed., Norman Dilworth, Anthony Hill, Michael Kinder, Malcolm Hughers, Peter Lowe, Jean Spencer, Jeffrey Steele, Gillian Wise Ciobotaru, Kenneth Martin