General Relativity

1. Notable Figures in General Relativity
   1. Albert Einstein
      1. Development of the theory of General Relativity
         1. Conceptual leap from Newtonian gravity
         2. Introduction of the equivalence principle
         3. Formulation of the field equations
      2. Influence on modern physics
         1. Foundational work leading to quantum mechanics debates
         2. Correspondence with other physicists
      3. Awards and recognition
         1. Nobel Prize in Physics (1921) for the photoelectric effect
         2. Numerous honorary degrees and titles
      4. Legacy
         1. Contribution to the scientific community
         2. Public figure and cultural icon
   2. Karl Schwarzschild
      1. Solutions to the Einstein field equations
         1. Schwarzschild solution, describing the spacetime outside a spherical mass
         2. Conceptualization of black holes
      2. Contributions to theoretical physics
      3. Impact of his work during World War I
   3. Roger Penrose
      1. Work on black hole singularities
         1. Penrose-Hawking singularity theorems
         2. Development of the concept of cosmic censorship
      2. Contributions to the understanding of spacetime geometry
      3. Influence on the direction of mathematical physics
      4. Collaborations with Stephen Hawking
   4. Stephen Hawking
      1. Black hole thermodynamics
         1. Hawking radiation and its implications for black hole evaporation
         2. Theoretical predictions about black holes and information paradox
      2. Popularization of science
         1. Books and public lectures
      3. Research on the universe's beginnings
   5. Kip Thorne
      1. Contributions to gravitational physics and astrophysics
         1. Work on LIGO and gravitational wave detection
      2. Interdisciplinary endeavors
         1. Consultant and executive producer for scientific films
      3. Mentorship and influence on future scientists
   6. Other notable figures
      1. Hermann Weyl
         1. Contributions to the mathematical framework of general relativity
         2. Exploration of gauge theories
      2. John Archibald Wheeler
         1. Coining the term "black hole"
         2. Work on wormholes and quantum gravity
      3. Yvonne Choquet-Bruhat
         1. Proving the first well-posedness theorem for Einstein's equations
      4. Roy Kerr
         1. Discovery of the Kerr solution for rotating black holes
      5. Subrahmanyan Chandrasekhar
         1. Studies on gravitational collapse theory
         2. Role in the understanding of white dwarfs and neutron stars