Carl Alexander von Martius

Carl Alexander von Martius (born 19 January 1838 in Munich; died 26 February 1920 in Nonn by Bad Reichenhall) was a German chemist and entrepreneur.

On 16 February 1903 Martius became, by German King Wilhelm II a nobleman.

[citation needed] In 1863, Martius invented in Berlin azo dye Bismarck brown Y, which he named after german chancellor Otto von Bismarck.

[2] In 1867, Martius invented in Berlin Dinitronaphthol, which was later named after him as Martiusgelb.

Martius was founding member of German organisation Deutsche Chemische Gesellschaft in Berlin and of German organisation Vereins zur Wahrung der Interessen der chemischen Industrie Deutschlands.