Quo Fuit places 4 dated presences for Joseph Petzval across 4 places, from 1826 to 1891.
Each one keeps the sentence it was taken from and a link to its source.
Joseph Petzval (6 January 1807 – 17 September 1891) was a mathematician, inventor, and physicist best known for his work in optics.Wikipedia, full article · CC BY-SA
Every dot is a place Joseph Petzval is documented in, on a dated record. The interactive globe carries the full detail.
Where Joseph Petzval was documented, and when
1826 to 1828period
Budaattested“From 1826 to 1828, Petzval studied at the Institutum Geometricum in Buda, and earned an engineering diploma in 1828.”source: Wikipedia: Joseph Petzval
1826 to 1828period
Budapest University of Technology and Economicsattested“From 1826 to 1828, Petzval studied at the Institutum Geometricum in Buda, and earned an engineering diploma in 1828.”source: Wikipedia: Joseph Petzval
1836 to 1877period
University of Viennaattested“After being invited to the University of Vienna in 1836, Petzval accepted a position of the chair of mathematics there in 1837, and worked until 1877 as a professor of mathematics.”source: Wikipedia: Joseph Petzval
1891year
Viennaattested“Petzval died in Vienna in 1891, nearly forgotten, embittered, and destitute.”source: Wikipedia: Joseph Petzval
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Budapest University of Technology and Economics1 presence · 1826
Other places tied to Joseph Petzval in the record
In each of these, a source puts Joseph Petzval and the place in the same dated sentence without stating
that Joseph Petzval 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.
1810 to 1819period
Kežmarokmentioned“In 1810, the family moved to Késmárk (in German: Käsmark, today Kežmarok, Slovakia) and in 1819 to Lőcse (in German: Leutschau, today Levoča, Slovakia).”source: Wikipedia: Joseph Petzval
1810 to 1819period
Levočamentioned“In 1810, the family moved to Késmárk (in German: Käsmark, today Kežmarok, Slovakia) and in 1819 to Lőcse (in German: Leutschau, today Levoča, Slovakia).”source: Wikipedia: Joseph Petzval
1 October 1819exact date
Levočamentioned“On 1 October 1819 he returned to his family in Lőcse, and entered high school.”source: Wikipedia: Joseph Petzval
1823 to 1825period
Košicementioned“Before that, he had to complete a two-year lyceum, which he attended from 1823 to 1825 in Kassa (in German: Kaschau, today Košice, Slovakia).”source: Wikipedia: Joseph Petzval
1846 to 1881period
Viennamentioned“he went so far as to always insert a bare point, for example, use the appearing annual yearbook of the Imperial Academy of Sciences, in whatever apart from the names of the members the date and the place appear aforementioned to the birt…”source: Wikipedia: Joseph Petzval
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.
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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where the two overlap.
