Bo Siegbahn

Bo Lennart Georg Siegbahn (1915–2008) was a Swedish diplomat and politician.

Bo Siegbahn was born in Lund on 25 February 1915, as the older of two sons of the physicist Manne Siegbahn and his wife, Karin (née Högbom). He grew up in Lund and in Uppsala from 1922, when his father was appointed to a professorship there. Manne Siegbahn received the Nobel Prize in Physics in 1924, and Bo Siegbahn's younger brother Kai Siegbahn was awarded the same prize in 1981.

Siegbahn took B.A. and LL.B. degrees at Uppsala University and entered a career in the Swedish Foreign Office during the years of World War II, serving as a junior diplomat at the Swedish embassies in both Vichy and Washington D.C. During the 1960s he served as Swedish ambassador in Morocco and Israel. Politically active as a Social Democrat, he was a member of the First Chamber of the Swedish parliament 1957–1961, but later switched political allegiances and returned to the (now unicameral) Riksdag as a member representing the liberal-conservative (centre-right) Moderate Party 1974–1982.

Siegbahn was one of several people to be suspected as the author of a series of political satirical novels published under the pseudonym Bo Baldersson.

Bo Siegbahn's wife, Colette, died on 2 December 2007. He died a few weeks later, on 7 January 2008.

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