Sebastian Vehlken is a media theorist and cultural historian at Leuphana University Lüneburg and Permanent Senior Fellow at the Institute for Advanced Study on Media Cultures of Computer Simulation (MECS). From 2013 to 2017, he worked as MECS Junior Director, and in 2015–16, he was a visiting professor at Humboldt-Universität Berlin, the University of Vienna, and Leuphana. His areas of interest include the theory and history of computer simulation and digital media, the media history of swarm intelligence, and the epistemology of think tanks. His current research project, Plutonium Worlds, explores the application of computer simulations in West German fast breeder reactor programs