Template:On This Day (nonfiction)/March 13
1764: Charles Grey, 2nd Earl Grey born. His government will see the abolition of slavery in the British Empire.
1908: Chemist and US military officer Myrtle Bachelder born. Bachelder will be responsible for the analysis of the spectroscopy of uranium for the Manhattan Project during the Second World War. After the war, Bachelder will make pioneering contributions to metallochemistry.
1911: Mathematician Melvin Dresher (Dreszer) born. Dresher will contribute to game theory, co-developing the game theoretical model of cooperation and conflict known as the Prisoner's dilemma.
2016: Philosopher, mathematician, and computer scientist Hilary Putnam dies. Putnam argued for the reality of mathematical entities, later espousing the view that mathematics is not purely logical, but "quasi-empirical".