Yvonne Kerkhof Management/office-assistent Name Mr. Y.H. Kerkhof Telephone +31 71 527 5475 E-mail kerkhof@physics.leidenuniv.nl Management/office-assistent Science Leiden Instituut Onderzoek Natuurkunde LION - Staff Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number GW3.07 Contact +31 71 527 5475 kerkhof@physics.leidenuniv.nl No relevant ancillary activities