Felix Hausdorff
a German mathematician, who is considered to be one of the founders of modern topology and who contributed to set theory, descriptive set theory, measure theory, and functional analysis.

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From: Wikipedia
Born
November 8, 1868 Breslau, Kingdom of Prussia (now Wrocław, Poland )
From: Wikipedia
Died
January 26, 1942 (aged 73) Bonn, Germany
From: Wikipedia
Nationality
German
From: Wikipedia
Known for
Hausdorff measure Hausdorff dimension Hausdorff space Hausdorff maximal principle Hausdorff distance Hausdorff paradox Hausdorff moment problem Hausdorff–Young inequality
From: Wikipedia
Fields
Mathematics
From: Wikipedia
Alma mater
University of Leipzig
From: Wikipedia
Institutions
University of Bonn, University of Greifswald, University of Leipzig
From: Wikipedia
Spouse(s)
Charlotte Hausdorff (1873-1942)
From: Open Science FrameworkOSF
adultbasic
Germany
From: Wikipedia
Doctoral advisor
Heinrich Bruns Adolph Mayer
From: Open Science FrameworkOSF
era
1800+
From: Wikipedia
Thesis
Zur Theorie der astronomischen Strahlenbrechung (1891)