https://en.wikipedia.org/wiki/Arno_Allan_Penzias
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 Physicsin 1978.
Cosmic microwave background
The cosmic microwave background (CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe.[1]
