Kai Siegbahn

Swedish Physicist

Kai Manne Börje Siegbahn (20 April 1918 – 20 July 2007) was a Swedish physicist.[1] He won the 1981 Nobel Prize in Physics with Arthur Leonard Schawlow and Nicolaas Bloembergen. He was known for his works in high-resolution electron spectroscopy.

Kai Siegbahn
Kai Manne Börje Siegbahn 2.jpg
Siegbahn in 1981
Born(1918-04-20)20 April 1918
Died20 July 2007(2007-07-20) (aged 89)
Ängelholm, Sweden
Alma materUniversity of Stockholm
Known forhigh-resolution electron spectroscopy
AwardsBjörkénska priset (1955, 1977)
Nobel Prize in Physics(1981)
Scientific career
InstitutionsUniversity of Stockholm
University of Uppsala


  1. Jeremy Pearce (August 7, 2007). "Kai Siegbahn, Swedish Physicist, Dies at 89". New York Times. Retrieved 2007-07-21.