The 2003 Nobel Prize for inventing the MRI left out the man who patented it first

Paul Lauterbur and Peter Mansfield won the Nobel Prize in Physiology or Medicine for developing magnetic resonance imaging, but Raymond Damadian, who had filed the original 1974 patent for using MRI to detect cancer, was left off the prize. Damadian took out newspaper ads protesting the omission.

— The Nobel Committee; Raymond Damadian patent records, Nobel Prize in Physiology or Medicine 2003 — 2003