Skip Nav Destination September 01 2010 A century ago Heike Kamerlinah Onnes set a new standard for physics research laboratories. But careless notebook entries have confused the story of his greatest discovery. Dirk van Delft; 1Leiden University, Netherlands Search for other works by this author on: Peter Kes 2Kamerlingh Onnes Laboratory, US Search for other works by this author on: Physics Today 63 (9), 38–43 (2010); Open the PDF for in another window Search Site On 10 July 1908, in his labora...