The United Nations University Geothermal Training Programme celebrated its 20th anniversary at the end of the 1998 session with a two day anniversary geothermal workshop in association with the closing ceremony held on October 13th-14th. Guests of honour were the new rector of the United Nations University, Dr. Hans van Ginkel, and Dr. Abraham Besrat, vice-rector. Special guest of honour was the foreign minister of Iceland Mr. Halldór Ásgrímsson, which opened the workshop. Also invited were fifteen former Fellows from various countries, many of which are now in leading positions in geothermal work in their home countries, and also many leading Icelandic geothermal scientists.
The lectures from the workshop are published in the book: Geothermal Training in Iceland, 20th Anniversary Workshop 1998 (editor Lúdvík S. Georgsson). Individual papers are available from publications.