Mathematician:Ludwig August Paul Wernicke

Mathematician
German, later American, mathematician who contributed to the Four Color Theorem.

Nationality
German, then American

History

 * Born: 1 January 1866 in Leipzig, Kingdom of Saxony
 * 1873: Lived and schooled in Lisbon
 * 1882: High school in Pforta
 * 1889: Graduated from University of Berlin
 * 1892: Moved to US
 * 1898: Became naturalised American citizen
 * Died:

Theorems and Definitions

 * Wernicke's Theorem

Publications

 * 1897: On the Solution of the Map-Color Problem