Question: Fermi liquid theory was later developed by which theoretical physicist of Soviet, Russian and American background?
Sentence (from "Fermi liquid theory"): The phenomenological theory of Fermi liquids was introduced by the Soviet physicist Lev Davidovich Landau in 1956, and later developed by Alexei Abrikosov and Isaak Khalatnikov using diagrammatic perturbation theory.
Relevant evidence: Yes