19/01/1954 German mathematician and physicist Theodor Kaluza dies
Kaluza Klein Theory
He is known for the known for the Kaluza–Klein theory. It unifies gravity and electromagnetism by adding one more dimension to the beyond the usual four of space and time. Kaluza–Klein theory is considered a precursor of String theory, which was a candidate for the theory of everything that fully explains and links together all physical aspects of the universe.