Richard Abegg:
Richard Abegg was the German chemist who pioneered valence theory.
Birth:
January 9, 1869 in Danzig, Germany
Death:
April 3, 1910 (age 41) Tessin, Germany
Claim to Fame:
Abegg suggested that the maximum difference between the positive and negative valence of an element tended to be eight. This became known as Abegg's rule.
