In month 12 (���� years), February 9, 1873, born in the German chemist Aoyi Le Richelle level.

1873, German chemist Aoyi Le Richelle Ping was born in Augsburg in Bavaria. Richelle flat-born "target =" _blank "> Richelle level starting from the enzyme to study medicine and genetics, found that the combination of enzyme inhibitors and enzymes can generate very stable complex, and thus Arthur �� Hatton together won the 1929 Nobel Prize in Chemistry.