Born in Mexico city, Mexico born May 1, 1947
Major Contribution(s) to Physics
In 1972, Bekenstein was the first to suggest that black holes should have a well-defined entropy. he also formulated the generalized second law of thermodynamics, black holes. Bkenstein
Brief Summary of the theory/research,important to Science
Based on his black-hole thermodynamics work, Bekenstein also demonstrated the Bekenstein bound: there is a maximum to the amount of information that can potentially be stored in a given finite region of space which has a finite amount of energy (which is similar to the holographic principle).
In 1982, Bekenstein was the first person to develop a rigorous framework to generalize the laws of electromagnetism to handle inconstant physical constants. His framework replaces the fine structure constant by a scalar field. However, this framework for changing constants did not incorporate gravity.
In 2004, Bekenstein greatly boosted Mordehai Milgrom’s theory of Modified Newtonian Dynamics (MOND) by developing a relativistic version. It is known as TeVeS for Tensor/Vector/Scalar and it introduces three different fields in space time to replace the one gravitational field.