Otto Hölder
died 80 years ago
29th August 1937

Otto Hölder worked on the convergence of Fourier series and in 1884 he discovered the inequality now named after him. He became interested in group theory through Kronecker and Klein and proved the uniqueness of the factor groups in a composition series.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Holder.html