Segrè, Emilio

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Portrait of Emilio Segrè (click to view image source)
Emilio Segrè
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Segrè, Emilio Gender: M
born on 30 January 1905 at 12:00 (= 12:00 noon )
Place Tivoli, Italy, 41n58, 12e48
Timezone MET h1e (is standard time)
Data source
Rodden Rating B
Collector: Bordoni/Starkman
Astrology data s_su.18.gif s_aqucol.18.gif 09°55' s_mo.18.gif s_sagcol.18.gif 10°49 Asc.s_taucol.18.gif 27°51'


Italian born, American physicist. In 1937 he discovered technetium, the first man-made element. In 1938 Segrè was fired from his position as Administrator of the Physics Laboratory at the University of Palermo because Mussolini had deemed that Jewish scientists should not be allowed to hold such posts.

He then came to America, where he was a group leader in the Manhattan Project. In 1944 he made the crucial discovery that plutonium made in a nuclear reactor has higher levels of the isotope plutonium-240 than plutonium produced in a cyclotron.

He is best known for his 21 September 1955 discovery with Owen Chamberlain of the antiproton, the unstable negatively charged proton that exists as the antiparticle of a proton. This helped to support Paul Dirac's theory or antimatter, and earned the Chamberlain and Segrè the Nobel Prize for Physics in 1959.

He died 22 April 1989, Lafayette, Ca, caused by heart attack.

Link to Wikipedia biography


  • business associate/partner relationship with Chamberlain, Owen (born 10 July 1920). Notes: Worked as a group, shared Nobel Prize


  • Work : Great Achievement 21 September 1955 (discovery of the antiproton)
    chart Placidus Equal_H.
  • Work : Prize 26 October 1959 (Nobel Prize-announcement)
    chart Placidus Equal_H.

Source Notes

Grazia Bordoni quotes BR for 1 Feb 1905, noon.

In his autobiography "A Mind Always in Motion" page 1 Emilio wrote:"I, Pippi, was born in Tivoli, on January 30, 1905. My father reported my arrival to the civil authorities later than prescribed by law, and to aviod complications, I was registered as having been born on February 1, which became my official birthday".


  • Lifestyle : Work : Work in team/ Tandem (Worked with Owen Chamberlain)
  • Vocation : Science : Physics
  • Notable : Awards : Nobel prize
  • Notable : Famous : Top 5% of Profession