Arno Allan Penzias

American physicist
Arno Penzias.jpg

Arno Allan Penzias (/ˈpɛnziəs/; born April 26, 1933) is a German-born American physicist and radio astronomer. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, which helped create the Big Bang theory of cosmology. He and Wilson won the 1978 Nobel Prize in Physics.

Penzias was born in Munich, Germany and raised in New York City.[1][2] He studied at Columbia University.


  1. Notable Twentieth-century Scientists: L-R
  2. "Arno Allan Penzias". HowStuffWorks. July 2010. Retrieved 26 November 2013.