Sujet

August Wilhelm Hofmann

Légende

August Wilhelm Hofmann (1818-1892), German organic chemist, c1850. Through his work on coal-tar derivatives, in 1858 obtained aniline dye magenta or fuschine and in 1863 patented dyes known as Hofmann violets. Appointed director of the Royal College of Chemistry, London, in 1845. From "Chemistry", James Sheridan Muspratt, (London, 1854-60). Engraving

Info+

Photos12.com - Ann Ronan Picture Library

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP07104_460000797

Licence

Droits gérés

Format disponible

26,3Mo (3,3Mo) / 21,9cm x 30,0cm / 2592 x 3543 (300dpi)