Nobel Prize in Physics in 1990 2026-10-18
Awarded in equal thirds to Jerome Isaac Friedman, Henry Way Kendall and Richard Edward Taylor for investigations of deep inelastic scattering of Electrons from protons and bound neutrons, essential to developing the quark model.[ref]
The Nobel Prize in Physics 1990 by Nobel Prize Outreach. Individual official 1990 summary: three one-third shares; deep inelastic electron scattering from protons and bound neutrons and its importance to the quark model.