Members of the KNAW, leading academics from all disciplines, are selected on the basis of their research accomplishments. The KNAW has around 500 members. Membership is for life. On Monday, 17 September 2018, the new members of the Academy, including Prof. Dr. Christian Lange, will be installed in a public ceremony in the municipal library, Amsterdam. See further: https://www.uu.nl/nieuws/christian-lange-en-ingrid-robeyns-gekozen-tot-knaw-lid