Arno Allan Penzias

Arno Allan Penzias
Arno Allan Penzias
	Penzias in 1982
Born	April 26, 1933; Munich, Bavaria, Germany
Died	January 22, 2024 (aged 90); San Francisco, California, U.S.
Citizenship	Germany (until 1935); Stateless (1935–1946); United States (from 1946);
Education	City College of New York (BS); Columbia University (MA, PhD);
Known for	Cosmic microwave background radiation
Spouse	Sherry Levit (m. 1996)
Children	5
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;
Thesis	A tunable maser radiometer and the measurement of 21 cm line emission from free hydrogen in the Pegasus I cluster of galaxies (1962)
Doctoral advisor	Charles H. Townes
Doctoral students	Pierre Encrenaz

Arno Allan Penzias (/ˈpɛnziəs/; April 26, 1933 – January 22, 2024) was an American physicist and radio astronomer. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, for which he shared the Nobel Prize in Physics in 1978.

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