Lindbergh Law. Teunis van der Linden, Dutch chemist – Lindane. Jules Antoine Lissajous, French physicist - Lissajous curve, Lissajous orbit. Joseph Lister, British physician – Listerine mouthwash. Little Goody Two-Shoes, British literary character – The English derogatory term "goody two-shoes" for someone who is irritatingly bland and nice. David Livingstone, Scottish explorer – Livingstone daisy, Livingstone, Zambia. Ignacio de la Llave, Mexican general and governor. – Veracruz-Llave Matthias de l'Obel (sometimes spelled as Lobel), Flemish physician and botanist – Lobelia. Sanford Lockwood Cluett, American businessman – Sanforization. Veronica Lodge, American comics character – the Veronica search engine. James Harvey Logan, American judge and horticulturist – loganberry. Fritz London, German physicist – London force. Ruy López de Segura, Spanish monk – Ruy Lopez opening in chess. Hendrik Lorentz, Dutch physicist – Lorentz force, Lorentz transformation. Lothar, German-French emperor – Lorraine, French province. Allan Haines Loughead, American aviator – Lockheed Corporation later to become Lockheed Martin in 1995. Louis IX of France, French king – St. Louis, Missouri and dozens of other places named Saint Louis Louis XIV of France, French king – Louisiana Pierre Charles Alexandre Louis, French physician – Angle of Louis. Princess Louise Caroline Alberta, fourth daughter of Queen Victoria – Alberta H. P. Lovecraft, American novelist – Lovecraftian horror Johann Tobias Lowitz, German-born Russian apothecary and experimental chemist - Lowitz arc Hubert von Luschka, German anatomist – foramina of Luschka (outlets for cerebrospinal fluid in the brain); Luschka's crypts; Luschka's joints. Saint Lucy of Syracuse, Italian Christian saint – Saint Lucia. Rosa Luxemburg, German politician – Luxemburgism Martin Luther, German religious leader – Lutheranism Alois Lutz, Austrian figure skater – Lutz jump Willem Jacob Luyten, Dutch-American astronomer - Luyten's star, Luyten's flare star (L 726-8) Charles Lynch, American politician – lynching, lynch law. Trofim Lysenko, Ukrainian-Russian biologist – Lysenkoism. M John Macadam, Scottish-Australian chemist – Macadamia. Ernst Mach, Czech-Austrian physicist – Mach number. Karel Hynek Mácha, Czech novelist and poet – Lake Mácha (), in the Czech Republic Niccolò Machiavelli, Italian politician and writer – Machiavellianism. John Macdonald, New Zealand psychologist – Macdonald triad. Charles Macintosh, Scottish inventor – mackintosh Alexander Mackenzie, American explorer – Mackenzie River, Mackenzie Bay Colin Maclaurin, Scottish mathematician – Maclaurin series, Maclaurin's inequality, Sectrix of Maclaurin, Trisectrix of Maclaurin. Rowland Hussey Macy, American businessman – Macy's. Johann Heinrich von Mädler, German astronomer - the Mädler phenomenon (comet-tail like arcs near the observed image