Discovery of the Top Quark

Date: March 2, 1995 • Location: Batavia, United States

Researchers at Fermilab in Illinois announced the discovery of the top quark, the most massive of all observed elementary particles.

Fermi National Accelerator Laboratory is a national laboratory for high-energy particle physics, located in Batavia, Illinois, United States, near Chicago. It is sponsored by the United States Department of Energy and operated by the University of Chicago through the subordinate Fermi Forward Discovery Group LLC.