1-158-360 - Oxford Science Archive/Heritage Images

August Wilhelm Hofmann, German organic chemist, 1854-1860. Through his work on coal-tar derivatives, Hofmann (1818-1892) in 1858 obtained aniline dye magenta or fuschine and in 1863 patented dyes known as Hofmann violets. He was appointed director of the Royal College of Chemistry, London, in 1845. From Chemistry by James Sheridan Muspratt. (London, 1854-1860).