Template:Selected anniversaries/March 14
1663: Otto von Guericke completes his book Ottonis de Guericke Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio, comprising his famed Magdeburg hemispheres demonstration, other vacuum-related research, and his pioneering investigation of static electricity.
1761: Mathematician, astronomer, and philosopher Pieter van Musschenbroek born. Van Musschenbroek will invent the first capacitor in 1746: the Leyden jar.
1879: Physicist, engineer, and academic Albert Einstein born. Einstein will develop the theory of relativity, one of the two pillars of modern physics (the other pillar: quantum mechanics).
1882: Mathematician and academic Wacław Sierpiński born. Sierpiński will make important contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology.
1932: George Eastman takes his own life, after living with intense pain for two years from a degenerative spinal condition. Eastman founded the Eastman Kodak Company and popularized the use of roll film, helping to bring photography to the mainstream.
1973: Physicist and computer scientist Howard H. Aiken dies. Aiken designed the Harvard Mark I computer, among other pioneering contributions to computer science.