About Kai Siegbahn
Kai Manne Börje Siegbahn was a Swedish physicist who shared the 1981 Nobel Prize in Physics. In 1981, Siegbahn was awarded the Nobel Prize in Physics jointly with Nicolaas Bloembergen and Arthur Schawlow. Kai Manne Börje Siegbahn (20 April 1918 – 20 July 2007) was a Swedish physicist who shared the 1981 Nobel Prize in Physics. Siegbahn was a professor at the Royal Institute of Technology in Stockholm from 1951 to 1954.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.