Kai Siegbahn
Swedish physicist (1918-2007) · Sweden · Scientists · Died at 89
Kai Siegbahn is read about 41 times a day, in 65 languages.
A typical day, 30 days to 22 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 90 days, one point a day.
Something wrong?A Swedish physicist who landed half the 1981 Nobel Prize in Physics - quiet work, loud recognition.
A life in dates
Also in Deutsch
Photos 2
Awards
Family
Parents
Children
Is this everyone?
Only relatives with a profile here are drawn, so a family can be larger than this. A line here can also be wrong.
Correct this familyAbout this person
Kai Manne Börje Siegbahn was born on 20 April 1918 in Sweden. He built a career in physics through decades of precision and discipline. In 1981, that path peaked: he shared the Nobel Prize in Physics, joining the short list of names the field remembers. He died on 20 July 2007, eighty-nine years after he started.
Fame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.