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Arno Allan Penzias
Arno Penzias.jpg
Born April 26, 1933 (1933-04-26) (age 88)
Nationality United States
Alma mater City College of New York (B.S., Physics, 1954)
Columbia University (Ph.D., Physics, 1962)
Known for Cosmic Microwave Background Radiation
Spouse(s) Sherry Penzias
Awards Henry Draper Medal (1977)
Nobel Prize in Physics (1978)
Harold Pender Award (1991)
IRI Medal (1998)
Scientific career
Fields Physics
Institutions Bell Labs
Columbia University
Physical cosmology
WMAP 2010.png
Universe · Big Bang
Age of the universe
Timeline of the Big Bang
Ultimate fate of the universe

Arno Allan Penzias ( born April 26, 1933) is an American physicist, radio astronomer and Nobel laureate in physics. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, which helped establish the Big Bang theory of cosmology.

In 1990, Penzias was elected a member of the National Academy of Engineering for engineering and management contributions in research on computers, communications, physics, and materials sciences.

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