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Arno Allan Penzias

1933–2024

Arno Allan Penzias (1933–2024) was an American physicist and Nobel laureate who, with Robert Woodrow Wilson, discovered the cosmic microwave background radiation in 1964, providing crucial evidence for the Big Bang theory. He spent most of his career at Bell Labs, later serving as its chief scientist, and was known for his rigorous experimental approach and advocacy for science education.

Physics

Nobel Lecture: The Origin of the Cosmic Microwave Background Radiation (1978)
The Cosmic Microwave Background: 25 Years Later (co-editor, 1990)
Ideas and Opinions: A Scientist's View (essays, various)
Interview: 'The Accidental Discovery of the Big Bang' (NOVA, 1994)
Bell Labs Technical Journal articles on radio astronomy and low-noise receivers

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