See also:

• Science: Physics: History: People  (107)

Aleksandr Friedmann - - A biography with reference to contemporaries, and a list of references.

Georg Riemann - - Although he died before the development of general relativity, his work in non-Euclidean geometries is very important to studying a curved spacetime.

Georgio Ricci-Curbastro - - The mathematician who developed much of tensor calculus before Einstein found a use for it.

Hendrik Lorentz - - Brief biography.

Hermann Minkowski - - A brief biography with quotations and a bibliography.

Hermann Weyl - - One of the first people to combine general relativity with the laws of electromagnetis.

Karl Schwarzschild - - The man who solved Einstein's equations and predicted the existence of black hole.

Karl Schwarzschild - - A brief biography with reference to contemporary mathematicians and theories.

Luigi Bianchi - - A mathematician who developed many theorems regarding Riemannian geometr.

Marcel Grossmann - - A brief biography on Marcel Grossmann, a classmate of Einstein who was the first to find a connection between tensor calculus and the theory of relativity.

Willem DeSitter - - Mathematician who studied solution to general relativity and developed DeSitter spac.