Kai Siegbahn

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
Siegbahn in 1981
Born	(1918-04-20)20 April 1918 Lund, Sweden
Died	20 July 2007(2007-07-20) (aged 89) Ängelholm, Sweden
Nationality	Sweden
Alma mater	University of Stockholm
Known for	high-resolution electron spectroscopy
Awards	Björkénska priset (1955, 1977) Nobel Prize in Physics(1981)
Scientific career
Fields	Physics
Institutions	University of Stockholm University of Uppsala

He was elected a member of the Academia Europaea in 1989.^[2]