Arno Allan Penzias

German-born American physicist

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Lived 1933–2024, aged 91Germany

Germany ScientistsScientist

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78 languages
Cross-language footprint
Era
1933–2024
Aged 91
Awards
10
recognised works

Summary

Updated 2026-09-08

He found the echo of the Big Bang by accident — static that turned out to be light from the universe's first moments, still traveling through space 13 billion years later.

Biography

About

Arno Allan Penzias was born April 26, 1933, and became a physicist and radio astronomer working with sensitive instruments meant to pick up faint signals from space. In 1978, he and Robert Woodrow Wilson shared the Nobel Prize in Physics for discovering cosmic microwave background radiation — the afterglow of the universe's birth, a faint hum filling every corner of the sky. What they'd stumbled on while troubleshooting interference became the strongest evidence for the Big Bang, rewriting cosmology. He died January 22, 2024.

Voice

In their own words

Sourced, dated quotes from Arno Allan Penzias

Arno Allan Penzias

saidJun 2005

I was born in Munich, Germany, in 1933. I spent the first six years of my life comfortably, as an adored child in a closely-knit middle-class family.

— Autobiographical notes at Nobelprize.org (June 2005)

Arno Allan Penzias

saidJun 2005

It was taken for granted that I would go to college, studying science, presumably chemistry, the only science we knew much about.

— Autobiographical notes at Nobelprize.org (June 2005)

Arno Allan Penzias

saidJun 2005

After a painful but largely successful struggle with courses and qualifying exams, I began my thesis work under Professor Townes.

— Autobiographical notes at Nobelprize.org (June 2005)

Arno Allan Penzias

saidJun 2005

In retrospect, the research organization which emerged from the decade following the Bell System’s breakup deployed a far richer set of capabilities than its predecessor.

— Autobiographical notes at Nobelprize.org (June 2005)

Arno Allan Penzias

said1999

Astronomy leads us to an unique event, a universe which was created out of nothing and delicately balanced to provide exactly the conditions required to support life.

— As quoted in "The Designed 'Just-so' Universe" (1999) by Walter L. Bradley

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