Hans Andersag

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Dr. Hans Andersag
Born (1902-02-16)February 16, 1902
Lana, Italy
Died August 10, 1955(1955-08-10) (aged 53)
Wuppertal, Germany

Johann Andersag (better known as Hans Andersag) was a scientist born on February 16, 1902 in Lana (Meran), Italy and died August 10, 1955 in Wuppertal, Germany following bronchial cancer.[1] While working for Bayer AG, he discovered Chloroquine, the active ingredient in the malaria drug Resochin®.[2] He also first synthesized Vitamin B6 with Richard Kuhn, Kurt Westphal and Gerhardt Wendt. He was awarded a Dr. degree for his dissertation "Synthese des natürlichen Koproporphyrins sowie zweier damit isomerer Porphyrine" at the Technical University Munich on September 9th, 1927.

He was married to Else Andersag (née Nouvortne). The couple lived with their three daughters Christel, Marianne and Renate on Jaegerhofstrasse 44 in Wuppertal-Elberfeld. Hans Andersag's grave and gravestone are located at the "Alter Lutherischer Friedhof an der Hochstrasse" in Wuppertal-Elberfeld.

See also[edit]


  1. ^ Krafts K, Hempelmann E, Skórska-Stania A (2012). "From methylene blue to chloroquine: a brief review of the development of an antimalarial therapy". Parasitol Res 11 (1): 1–6. doi:10.1007/s00436-012-2886-x. PMID 22411634. 
  2. ^ Dünschede HB (1971). "Tropenmedizinische Forschung bei Bayer". Schadewaldt H (edit.): Düsseldorfer Arbeiten zur Geschichte der Medizin. 


Gravestone of Hans Andersag, his wife Else and youngest daughter Renate
Protocol for the synthesis of Resochin, Hans Andersag 1934