John R. Mather

John R. Mather is an American astronomer and physicist who has made significant contributions to our understanding of the universe. He is best known for his work on the Cosmic Background Explorer (COBE) satellite and his discovery of the cosmic microwave background radiation. Mather is a professor at the University of Maryland and has received numerous awards for his work, including the Nobel Prize in Physics in 2006. He is also a popular science communicator and has written several books on astronomy and cosmology. Mather is currently a professor at the University of Maryland and has been involved in various initiatives to promote science education and outreach.