Biography:Kai Siegbahn

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Short description: Swedish physicist (1918–2007)
Kai Siegbahn
Kai Manne Börje Siegbahn 2.jpg
Siegbahn in 1981
Lund, Sweden
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

Kai Manne Börje Siegbahn (20 April 1918 – 20 July 2007) was a Swedish physicist who was awarded the 1981 Nobel Prize in Physics.[1]


Siegbahn was born in Lund, Sweden, son of Manne Siegbahn the 1924 physics Nobel Prize winner. Siegbahn earned his doctorate at the University of Stockholm in 1944. He was professor at the Royal Institute of Technology 1951–1954, and then professor of experimental physics at Uppsala University 1954–1984, which was the same chair his father had held. He shared the 1981 Nobel Prize in Physics with Nicolaas Bloembergen and Arthur Schawlow for their work in laser spectroscopy.[2]

Siegbahn obtained the Nobel Prize for developing the method of Electron Spectroscopy for Chemical Analysis (ESCA), now usually described as X-ray photoelectron spectroscopy (XPS). At the time of his death he was still active as a scientist at the Ångström Laboratory at Uppsala University.

He was a member of the Norwegian Academy of Science and Letters from 1975.[3]

Siegbahn died on 20 July 2007 at the age of 89.


Kai Siegbahn was one of the original editors of the Encyclopedia of Analytical Chemistry


  1. Jeremy Pearce (7 August 2007). "Kai Siegbahn, Swedish Physicist, Dies at 89". New York Times. 
  2. Hagstrom, Stig B. (November 2007). "Obituary: Kai Manne Börje Siegbahn". Physics Today 60 (11): 74–75. doi:10.1063/1.2812132. Bibcode2007PhT....60k..74H. 
  3. "Utenlandske medlemmer" (in no). Norwegian Academy of Science and Letters. 

External links

  • Miss nobel-id as parameter including the Nobel Lecture, 8 December 1981 Electron Spectroscopy for Atoms, Molecules and Condensed Matter