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The Royal Institution of Great Britain (often abbreviated as the Royal Institution or Ri) is an organisation devoted to scientific education and research, based in London.
Definition from Wikipedia – Royal Institution
David Tong (physicist)
David Tong is a professor of theoretical physics at DAMTP in Cambridge, a fellow of Trinity College, Cambridge, and joint recipient of the 2008 Adams Prize.
Definition from Wikipedia – David Tong (physicist)
Quantum field theory
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
Definition from Wikipedia – Quantum field theory