Does the sentence "Richard Phillips Feynman (/fanmn/; May 11, 1918 February 15, 1988) was an American theoretical physicist known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model." answer the question "Feynman proposed a integral model in particle physics, what was it?"
yes