Evolutionary biology in Leiden will be halved due to a disastrous reorganization of the faculty of sciences. Proper training in evolutionary biology will not be possible anymore, although this is a necessary basis for all branches of biology. Training and research in theoretical modeling will also not be possible and Leiden will turn away from involvement in the current major ecological and evolutionary challenges of climate change and biodiversity loss.The following evolutionary biologists will be fired or cannot continue their research : Jacques van Alphen, Tom Van Dooren, Frietson Galis, Sacha Gultyaev, Patsy Haccou, Ken Kraaijeveld, Femmie Kraaijeveld, Hans Metz (retired, but still very active) and Rino Zandee. This list contains a Marie Curie professor of Excellence (JVA), the president of the European Society for Evolutionary Developmental Biology (FG) and the executive vice-president of the European Society of Evolutionary Biology (PH).