Julius Wilhelmina Richard Dedekind (6 Oct 1831 – 12 Feb 1916)

– Last student of Gauss at Göttingen

– Student and closed friend of Dirichlet who influenced his Mathematical education

– Introduced the word **Field** (Körper)

– Gave the first university course on Galois Theory

– Developed **Real** Number **‘Dedekind Cut**‘ in 1872

– Accomplished musician

– Never married, lived with his unmarried sister until death

– **“Whatever provable should be proved.”**

– By 1858: still yet established ?

$latex sqrt{2}.sqrt{3} = sqrt{2.3} $

– Gave strong support to Cantor on **Infinite** Set.

http://www-history.mcs.st-and.ac.uk/Biographies/Dedekind.html