January 17, 1630
Precision: day · Rank: normal
No external source identified
No external source identified
THE DATE BEHIND THE NAME
Johann Friedrich Schweitzer
Dutch alchemist (1630-1709)
Johann Friedrich Schweitzer has incompatible recorded birth dates. The main Wikidata statement lists in 1625 in Köthen, Germany.
Born
in 1625
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: August 29, 1709
- Birthplace
- Köthen, Germany
- Professions
- non-fiction writer, physician, chemist, alchemist, physiologist, botanist
- Citizenship
- Dutch Republic, Germany
Incompatible birth dates
Sources disagree: in 1625 (Czech National Authority Database) or January 17, 1630 (No external source identified) or in 1630 (genealogics.org).
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.
in 1630
Precision: year · Rank: normal
- Source: genealogics.org
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 Johann Friedrich Schweitzer born?
Johann Friedrich Schweitzer was born in Köthen, Germany.
When did Johann Friedrich Schweitzer die?
Johann Friedrich Schweitzer died on August 29, 1709.