Ludwig von Bertalanffy
Quo Fuit places 5 dated presences for Ludwig von Bertalanffy across 5 places, from 1918 to 1937. Each one keeps the sentence it was taken from and a link to its source.
Karl Ludwig von Bertalanffy (19 September 1901 – 12 June 1972) was an Austrian biologist known as one of the founders of general systems theory (GST).Wikipedia, full article · CC BY-SA








Where Ludwig von Bertalanffy was documented, and when
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Places Ludwig von Bertalanffy is documented in
Other places tied to Ludwig von Bertalanffy in the record
In each of these, a source puts Ludwig von Bertalanffy and the place in the same dated sentence without stating that Ludwig von Bertalanffy was there. They are kept apart from the timeline above for exactly that reason: a mention is not a presence, and Quo Fuit does not quietly promote one into the other.
Documented at the same place, the same year
Two people documented in the same place in the same year is a correlation, not a meeting. Quo Fuit will never say they met without a source that says so.
How to read this page
Every line above is a dated fact taken from a source, with the sentence it came from and a link back to it. Nothing is inferred, and a gap in the record is not evidence that someone was elsewhere.
A tag says how the fact is carried by its source: documented a structured, explicitly dated record, attested a sentence that states the person was there, mentioned a sentence that ties the person to the place without stating presence.
Sources
Sentences quoted from Wikipedia are available under CC BY-SA 4.0. Public domain books come from Project Gutenberg. Quo Fuit claims no rights over these sources.
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Open Ludwig von Bertalanffy on the globe