Carlo Rubbia: W and Z bosons

Jack Steinberger: muon neutrino

Jerry Friedman: quarks

Burton Richter: charm quark

Leon Lederman: muon neutrino, b quark

Frederick Reines: neutrino

Richard Taylor: quarks

Martin Perl: tau

What do these people have in common?
Each one discovered or helped to discover an elementary particle in the Standard Model.

DZero collaboration: top quark

CDF collaboration: top quark