July 12, 1888
Precision: day · Rank: normal
- Source: Integrated Authority File
THE DATE BEHIND THE NAME
Zygmunt Janiszewski
Polish mathematician
Zygmunt Janiszewski has incompatible recorded birth dates. The main Wikidata statement lists June 12, 1888 in Warsaw, Poland.
Born
June 12, 1888
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: January 3, 1920
Source:
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- Warsaw, Poland
- Professions
- mathematician, university teacher, topologist
- Citizenship
- Poland
Incompatible birth dates
Sources disagree: June 12, 1888 (MacTutor History of Mathematics archive; Google Books) or July 12, 1888 (Integrated Authority File).
The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was Zygmunt Janiszewski born?
Zygmunt Janiszewski was born in Warsaw, Poland.
When did Zygmunt Janiszewski die?
Zygmunt Janiszewski died on January 3, 1920.