Question: The inventor of Mayer's reagent and one of the founders of thermodynamics, Julius von Mayer was the first to enunciate what phrase, known as the first law of thermodynamics?
Sentence (from "Richard D. Feinman"): Richard David Feinman (born 1940) is a professor of biochemistry and medical researcher at State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center who studies nutrition and metabolism.
Relevant evidence: No