Mathematician:Karl Menninger

Mathematician
German teacher of and writer about mathematics.

Nationality
German

History

 * Born: 6 October 1898
 * Died: 2 October 1963

Publications

 * 1934:
 * 1958: Zahlwort und Ziffer (Revised edition)
 * 1969: Number Words and Number Symbols (translation of Zahlwort und Ziffer)