Professors by special appointment

Professor	Faculty	Chair
Prof.dr.mr. M.S. Berger	Sultan of Oman Chair in Oriental Studies	Praesidium Libertatis I
Prof.dr. N.M. Blokker	International Institutional Law	Prof.mr. H.G. Schermers Fund
Prof.dr. S.A. Cramsey	Central European Studies	Austrian Studies Fund
Prof.dr. E.L.J. Fortuin	Russian Language and Linguistics	Anna Croiset van der Kop Fund
Prof.dr. B.U. Forstmann	Neuroscientific testing of psychological models	LUF
Prof.dr. P.J.A. Kessler	Botanical gardens and botany of South East Asia	LUF
Prof.dr. A. van der Laan	Juvenile and Adolescent Crime	Fund for the study of Youth and Adolescent Crime
Prof.dr.mr. T. Liefaard	Children's Rights	Unicef-Fund Chair Children’s Rights
Prof.dr. T.E. McGonagle	Media Law and Information Society	A.W. Hins Fund
Prof.dr. M. Otani	Enforcement of Children's Rights	Kroese-Duijsters Fund
Prof.dr. D.A. Pargas	Leiden Chair of the History and Culture of North America	Praesidium Libertatis I
Prof.dr. C. Vout	Classical Archaeology	Prof.dr. A.W. Byvanck Fund
Prof.mr. C. Waaldijk	Comparative Sexual Orientation Law	Betsy Brouwer Fund

One of these professors by special appointment is Dr Paul Keßler, prefect of the Leiden Hortus Botanicus and an affiliate of the Faculty of Science. He has held the chair in Botanical Gardens and the Botany of Southeast Asia since 2017.

Oldest academic garden

The Hortus Botanicus in Leiden is the oldest academic garden in Western Europe and has an impressive collection of plants mainly from Southeast Asia. Thanks to his chair by special appointment, Dr Kessler will intensify the botanical research on groups of orchids and carnivorous plants. He will also broaden the contacts with universities and botanical gardens in Indonesia and China.