November 11, 1823
Precision: day · Rank: normal
THE DATE BEHIND THE NAME
Jakob Amsler-Laffon
Swiss mathematician, physicist, and engineer (1823–1912)
Jakob Amsler-Laffon has incompatible recorded birth dates. The main Wikidata statement lists November 16, 1823 in Unterbözberg, Switzerland.
Born
November 16, 1823
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: January 3, 1912
Source:
- MacTutor History of Mathematics archive
- Neue Deutsche Biographie
- Complete Dictionary of Scientific Biography
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- Unterbözberg, Switzerland
- Professions
- design engineer, politician, engineer, mathematician, physicist, manufacturer
- Citizenship
- Switzerland
Incompatible birth dates
Sources disagree: November 16, 1823 (MacTutor History of Mathematics archive; Neue Deutsche Biographie; Complete Dictionary of Scientific Biography) or November 11, 1823 (Historical Dictionary of Switzerland).
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.
More about Jakob Amsler-Laffon
- Birth name
- Jakob Amsler
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
- MacTutor History of Mathematics archive
- Neue Deutsche Biographie
- Complete Dictionary of Scientific Biography
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was Jakob Amsler-Laffon born?
Jakob Amsler-Laffon was born in Unterbözberg, Switzerland.
What was Jakob Amsler-Laffon’s name at birth?
Jakob Amsler-Laffon’s recorded birth name is Jakob Amsler.
When did Jakob Amsler-Laffon die?
Jakob Amsler-Laffon died on January 3, 1912.