treasure of the present (and vice versa).” “There are no tables for path integrals.” (quoted in ) “I wanted to learn about elementary particles by studying boiling water.” (paraphrased in ) See also Polyakov action 't Hooft–Polyakov monopole Belavin–Polyakov–Schwarz–Tyupkin instantons QCD vacuum Conformal bootstrap Liouville theory AdS/CFT correspondence References External links Dirac Medal 1986 citation Departmental homepage at Princeton American string theorists Soviet physicists 20th-century American physicists Russian physicists Moscow Institute of Physics and Technology alumni Academic staff of the Moscow Institute of Physics and Technology Princeton University faculty Members of the United States National Academy of Sciences Corresponding Members of the USSR Academy of Sciences Corresponding Members of the Russian Academy of Sciences Members of the French Academy of Sciences Winners of the Max Planck Medal Lorentz Medal winners Living people 1945 births Scientists from Moscow Russian activists against the 2022 Russian invasion of Ukraine Russian string theorists