Template:Selected anniversaries/March 27
1845: Engineer and physicist Wilhelm Röntgen born. He will win the first Nobel Prize in Physics, for the discovery of X-rays.
1923: Chemist and physicist James Dewar dies. He invented the vacuum flask, which he used in conjunction with extensive research into the liquefaction of gases.
1925: Mathematician Carl Gottfried Neumann dies. He will studied physics with his father, and later worked as a mathematician, dealing almost exclusively with problems arising from physics.
2011: Artist George Tooker dies. His paintings depicted his subjects naturally, as in a photograph, but the images used flat tones, an ambiguous perspective, and alarming juxtapositions to suggest an imagined or dreamed reality.
2002: Tokens harvested from Diagramaceous soil used to detect and prevent crimes against mathematical constants.