Going Dutch The Invention of the Pendulum Clock Editor: Pier van Leeuwen The contributors to the symposium and their papers were: Pier van Leeuwen Setting the stage for 17th century developments Rebecca Pohancenik The 17th century intelligencer Kees Grimbergen Isochronism and the pendulum Sebastian Whitestone Huygen’s invention, claim and counterclaim Michiel van Hees Development of the movement in 17th century Europe Reinier Plomp Going and striking trains driven by a single spring or weight Keith Piggott On Open research | |||||||||||||||