The question of the funniest Nobel Prize is subjective, but one that often comes up is the 1997 Nobel Prize in Physiology or Medicine, awarded to Stanley Prusiner for his discovery of prions, a novel type of infectious agent.
Prions are misfolded proteins that can cause fatal neurodegenerative diseases like Creutzfeldt-Jakob disease and mad cow disease. They are unique because they are not viruses or bacteria, but rather proteins that can somehow replicate themselves and cause disease.
The humor arises from the fact that Prusiner's discovery was initially met with skepticism and ridicule from the scientific community. The idea that a protein could act as an infectious agent seemed absurd, and Prusiner was even accused of "selling snake oil".
The Nobel Prize committee's decision to award the prize to Prusiner was seen by some as a vindication of his work, while others still remain unconvinced about the existence of prions.
The humor also comes from the unusual nature of prions. They are not alive in the traditional sense, but they can cause disease and even spread from one organism to another.
This unusual combination of scientific importance and absurdity makes the 1997 Nobel Prize in Physiology or Medicine a strong contender for the funniest Nobel Prize.