Nobel Prize controversies Chen-Ning Yang—by providing him in 1956 with a possible test method for beta decay that worked successfully. Her book "Beta Decay" (1965) is still a sine qua non reference for nuclear physicists. Several Nobel Prizes were awarded for research related to the concepts of the boson, Bose–Einstein statistics and Bose–Einstein condensate—the latest being the 2001 Nobel Prize in Physics given for advancing the theory of Bose–Einstein condensates although Satyendra Nath Bose himself was not awarded the Nobel Prize. In his book "The Scientific Edge", physicist Jayant Narlikar observed: "SN Bose's work on particle statistics (c.1922), which clarified the behavior of
Nobel Prize five (Swedish) Nobel Prize medals to Svenska Medalj AB. Formerly, the Nobel Prize medals were minted by Myntverket (the Swedish Mint) from 1902 to 2010. Myntverket, Sweden's oldest company, ceased operations in 2011 after 1,017 years. In 2011, the Mint of Norway, located in Kongsberg, made the medals. The Nobel Prize medals are registered trademarks of the Nobel Foundation. Each medal features an image of Alfred Nobel in left profile on the obverse. The medals for physics, chemistry, physiology or medicine, and literature have identical obverses, showing the image of Alfred Nobel and the years of his birth and death.