- Born
- 11 April 1818
- Died
- 18 August 1893, 17 August 1893
- Occupation
- lexicographer, writer, biographer, poet, military personnel, autobiographer, translator, bibliographer, opinion journalist, official, librarian, literary historian
- birth name
- Eduard Konstantin Michael Wurzbach
- described by source
- Nordisk familjebok, Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Allgemeine Deutsche Biographie, Riemann's Music Dictionary, Biographisches Lexikon des Kaiserthums Oesterreich, New International Encyclopedia, Neue Österreichische Biographie, Q98240234, Slovenian Biographical Lexicon, Meyers Konversations-Lexikon, 4th edition (1885–1890)
- name in native language
- Constant von Wurzbach, Constant Ritter v. Wurzbach-Tannenberg, Constant von Wurzbach-Tannenberg, Constantin von Wurzbach, Constantin Ritter von Wurzbach-Tannenberg, Constant Wurzbach Ritter von Tannenberg
- pseudonym
- W. Constant