| Full Name | Owen Chamberlain |
| Date of Birth | 10 July 1920 |
| Place of Birth | San Francisco, California, USA |
| Date of Death | 28 February 2006 |
| Place of Death | Berkeley, California, USA |
| Citizenship / Country of Residence | United States |
| Education | University of California, Berkeley, Massachusetts Institute of Technology |
| Profession | Physicist |
| Years of Activity | 1940s - 2000s |
| Brief Information | Owen Chamberlain was an American physicist who, along with Emilio Segrè, discovered the antiproton in 1955. This discovery led to their joint award of the Nobel Prize in Physics in 1959. He also made significant contributions to experimental nuclear physics and particle physics. |