Quo Fuit places 3 dated presences for Paul Erdős across 3 places, from 1913 to 1948.
Each one keeps the sentence it was taken from and a link to its source.
Paul Erdős (26 March 1913 – 20 September 1996) was a Hungarian mathematician known as one of the most prolific mathematicians and producers of mathematical conjectures of the 20th century.Wikipedia, full article · CC BY-SA
Every dot is a place Paul Erdős is documented in, on a dated record. The interactive globe carries the full detail.
Where Paul Erdős was documented, and when
26 March 1913exact date
Budapestattested“Paul Erdős was born on 26 March 1913, in Budapest, Austria-Hungary, the only surviving child of Anna (née Wilhelm) and Lajos Erdős (né Engländer).”source: Wikipedia: Paul Erdős
1938year
Institute for Advanced Studyattested“In 1938, he accepted his first American position as a scholarship holder at the Institute for Advanced Study, Princeton, New Jersey, for the next ten years.”source: Wikipedia: Paul Erdős
1948year
Hungaryattested“Near the end of 1948 Erdős was able to return to Hungary for a visit, where he was reunited with his surviving family and friends.”source: Wikipedia: Paul Erdős
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In each of these, a source puts Paul Erdős and the place in the same dated sentence without stating
that Paul Erdős 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.
1914 to 1920period
Siberiamentioned“He was raised partly by a German governess because his father was held captive in Siberia as an Austro-Hungarian prisoner of war during 1914–1920, causing his mother to have to work long hours to support their household.”source: Wikipedia: Paul Erdős
1934year
Victoria University of Manchestermentioned“In 1934, Erdős took up a post-doctoral fellowship at Victoria University of Manchester in Manchester, England, where he met G.”source: Wikipedia: Paul Erdős
1934year
Manchestermentioned“In 1934, Erdős took up a post-doctoral fellowship at Victoria University of Manchester in Manchester, England, where he met G.”source: Wikipedia: Paul Erdős
1938year
United Statesmentioned“Because he was Jewish, Hungary was dangerous, so he left the country, relocating to the United States in 1938.”source: Wikipedia: Paul Erdős
1941year
United Statesmentioned“The official reasons were the fact that he had corresponded with a Chinese mathematician who had subsequently returned from the United States to China, and also Erdős's 1941 FBI record.”source: Wikipedia: Paul Erdős
1941year
Chinamentioned“The official reasons were the fact that he had corresponded with a Chinese mathematician who had subsequently returned from the United States to China, and also Erdős's 1941 FBI record.”source: Wikipedia: Paul Erdős
1943year
Purdue Universitymentioned“In 1943, Erdős began a part-time appointment at Purdue University.”source: Wikipedia: Paul Erdős
1952year
University of Notre Damementioned“For the next three years he traveled frequently between England and the United States, before accepting a temporary post at the University of Notre Dame, Indiana, in 1952.”source: Wikipedia: Paul Erdős
1954year
United Statesmentioned“As a result of the Red Scare and McCarthyism, in 1954, the United States Immigration and Naturalization Service denied Erdős, a Hungarian citizen, a re-entry visa into the United States.”source: Wikipedia: Paul Erdős
1973year
Hungarymentioned“Ten years later, in 1973, the 60-year-old Erdős voluntarily left Hungary.”source: Wikipedia: Paul Erdős
1985year
Adelaidementioned“In 1985, he visited two universities in Adelaide, South Australia, Flinders University and the University of Adelaide.”source: Wikipedia: Paul Erdős
20 September 1996exact date
Warsawmentioned“represented "Counts Dead" On 20 September 1996, at the age of 83, he had a heart attack and died while attending a conference in Warsaw.”source: Wikipedia: Paul Erdős
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.
See Paul Erdős on a 3D globe, filter the record by date, and cross this life with another to find
where the two overlap.
