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Julius Plücker
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<p>Julius Plücker (16 June 1801 – 22 May 1868) was a German <a href="/facts/Mathematician/eaFSR8Fx">mathematician</a> and <a href="/facts/Physicist/cQcgvSIm">physicist</a>. He made fundamental contributions to the field of <a href="/facts/Analytical_geometry/3qWP0kM0">analytical geometry</a> and was a pioneer in the investigations of <a href="/facts/Cathode_ray/9jRXSquS">cathode rays</a> that led eventually to the <a href="/facts/Discovery_of_the_electron/L0KBo5cW">discovery of the electron</a>. He also vastly extended the study of <a href="/facts/Lam%25C3%25A9_curve/W30jhjo5">Lamé curves</a>. </p>