Ernst Friedrich Ferdinand Zermelo made major contributions to mathematics in the area of set theory, especially by extending David Hilbert's work in solving the continuum hypothesis. The Zermelo-Fraenkel set theory is still in wide use. Zermelo was...

1871-1953 German mathematician best known for his work in set theory. He was the first to prove the well-ordering theorem (1904), a result important for many applications of set theory. Widely challenged, Zermelo responded with a second proof of the...

Ernst Friedrich Ferdinand Zermelo (July 27 1871, Berlin, German Empire – May 21 1953, Freiburg im Breisgau, West Germany) was a German mathematician, whose work has major implications for the foundations of mathematics and hence on philosophy. He...