March 20, 1916: Albert Einstein, then thirty-seven years old and director of the Institute of Physics in Berlin, published in the journal Annalen der Physik the foundational article of general relativity. The work, titled “Die Grundlage der allgemeinen Relativitätstheorie” (“The Foundation of the General Theory of Relativity”), spanned 54 pages and radically transformed physics. Einstein […]

Einstein’s Relativity Turns 110