Wikipedia's first sentence called it “israeli mathematician known for formulating the road coloring conjecture with roy adler”. Today it says “american-israeli mathematician known for his contributions to ergodic theory”.
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Machine-checked against the full current article on 2026-08-03.
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The opening as it read in 2015
Benjamin Weiss is an Israeli mathematician known for formulating the road coloring conjecture with Roy Adler , for coining the names of sofic groups and sofic subshifts , and for his work with Matthew Foreman and Daniel Rudolph on measure preserving transformations. Weiss earned his Ph.D. from Princeton University in 1965, under the supervision of William Feller . He is a professor emeritus of mathematics at the Hebrew University of Jerusalem , where Elon Lindenstrauss was one of his students. In 2012 he became a fellow of the American Mathematical Society .1
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 664070260.
The opening as it stood in 2020 4 passages from the previous snapshot no longer appear
Benjamin Weiss ( ; born 1941 in New York City) is an American-Israeli mathematician known for his contributions to Ergodic Theory , Topological dynamics , Probability theory , Game Theory , Descriptive set theory .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 960582897.
The opening as it stood on October 6, 2023
Israeli mathematician (born 1941) For the American neuropharmacologist, see Benjamin Weiss (scientist) .Benjamin Weiss ( ; born 1941) is an American-Israeli mathematician known for his contributions to ergodic theory , topological dynamics , probability theory , game theory , and descriptive set theory .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1138234706.
The opening as it stood in 2025
Israeli mathematician (born 1941) For the American neuropharmacologist, see Benjamin Weiss (scientist) . Benjamin Weiss ( Hebrew : בנימין ווייס ; born 1941) is an American-Israeli mathematician known for his contributions to ergodic theory , topological dynamics , probability theory , game theory , and descriptive set theory .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1254554143. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “israeli mathematician known for formulating the road coloring conjecture with roy adler”. Today it says “american-israeli mathematician known for his contributions to ergodic theory”. Read the current article and compare.
2015
2020
Oct '23
2025
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What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.
Then
israeli mathematician known for formulating the road coloring conjecture with roy adler
Now
american-israeli mathematician known for his contributions to ergodic theory
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.
