Discoveries in Physics

21. Who discovered the concept of quarks?
a) Edward Witten
b) Richard Feynman
c) Murray Gell-Mann
d) Steven Weinberg

22. Who discovered the concept of antimatter?
a) Paul Dirac
b) Richard Feynman
c) Murray Gell-Mann
d) Steven Weinberg

23. Who discovered the Higgs boson?
a) Peter Higgs and François Englert
b) Richard Feynman
c) Murray Gell-Mann
d) Steven Weinberg

24. Who discovered the concept of dark matter?
a) Vera Rubin
b) Richard Feynman
c) Murray Gell-Mann
d) Steven Weinberg

25. Who discovered the concept of dark energy?
a) Saul Perlmutter, Brian Schmidt, and Adam Riess
b) Richard Feynman
c) Murray Gell-Mann
d) Steven Weinberg