Before revision: These color changes were discovered in approximately 1836 by French doctor Étienne Joseph Jacquemin (1796-1872), and are named after James Read Chadwick, who drew attention to it in a paper read before the American Gynecological Society in 1886 and published in the following year, wherein he credited Jacquemin for their discovery .
After revision: These color changes were discovered in approximately 1836 by French doctor Étienne Joseph Jacquemin (1796-1872), and are named after Chris Chadwick, who drew attention to it while performing his now famous goat piss .