Gregorio Ricci-Curbastro

Event Horizon Telescope, CV Vishveshwara, black holes, M87 black hole, Sagittarius A*, Georg Bernhard Riemann, Hermann Minkowski, Marcel Grossmann, Tullio Levi-Civita, Gregorio Ricci-Curbastro, David Hilbert, Albert Einstein, Karl Schwarzchild, Schwarzchild radius, general theory of relativity, special theory of relativity, Subrahmanyan Chandrasekhar, gravitational physics, Arthur Eddington, Robert Oppenheimer, John Wheeler, white dwarf, Kip Thorne, Richard Feynman, theoretical physics, mathematical physics,

A Brief History of Black Holes