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.