Wikipedia's first sentence called it “israeli -american mathematician and a member of the united states national academy of sciences”. Today it says “israeli-american mathematician”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the October 6, 2023 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in October 6, 2023
Robert John Aumann ( Hebrew name : ישראל אומן , Yisrael Aumann ; born June 8, 1930) is an Israeli-American mathematician, and a member of the United States National Academy of Sciences .1 He is a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem in Israel. He also holds a visiting position at Stony Brook University , and is one of the founding members of the Stony Brook Center for Game Theory. Aumann received the Nobel Memorial Prize in Economic Sciences in 2005 for his work on conflict and cooperation through game theory analysis. He shared the prize with Thomas Schelling .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1165126155.
The opening as it stood in 2010
Robert John Aumann ( Hebrew name : ישראל אומן - Yisrael Aumann, born June 8, 1930) is an Israeli -American mathematician and a member of the United States National Academy of Sciences . He is a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem in Israel . He also holds a visiting position at Stony Brook University and is one of the founding members of the Center for Game Theory in Economics at Stony Brook. Aumann received the Nobel Memorial Prize in Economics in 2005 for his work on conflict and cooperation through game-theory analysis. He shared the prize with Thomas Schelling .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 369111654.
The opening as it stood in 2015
Robert John Aumann ( Hebrew name : ישראל אומן , Yisrael Aumann ; born June 8, 1930) is an Israeli - American mathematician and a member of the United States National Academy of Sciences . He is a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem in Israel . He also holds a visiting position at Stony Brook University and is one of the founding members of the Stony Brook Center for Game Theory. Aumann received the Nobel Prize in Economics in 2005 for his work on conflict and cooperation through game-theory analysis. He shared the prize with Thomas Schelling .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 667021767.
The opening as it stood in 2020
Robert John Aumann ( Hebrew name : , Yisrael Aumann ; born June 8, 1930) is an Israeli - American mathematician , and a member of the United States National Academy of Sciences . He is a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem in Israel . He also holds a visiting position at Stony Brook University , and is one of the founding members of the Stony Brook Center for Game Theory. Aumann received the Nobel Memorial Prize in Economic Sciences in 2005 for his work on conflict and cooperation through game-theory analysis. He shared the prize with Thomas Schelling .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 964164936.
The opening as it stood in 2025
Israeli-American mathematician (born 1930) Robert John Aumann ( Yisrael Aumann , Hebrew : ישראל אומן ; born June 8, 1930) is an Israeli-American mathematician, and a member of the United States National Academy of Sciences . He is a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem . He also holds a visiting position at Stony Brook University , and is one of the founding members of the Stony Brook Center for Game Theory. Aumann received the Nobel Memorial Prize in Economic Sciences in 2005 for his work on conflict and cooperation through game theory analysis. He shared the prize with Thomas Schelling .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1294100280. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “israeli -american mathematician and a member of the united states national academy of sciences”. Today it says “israeli-american mathematician”. Read the current article and compare.
2010
2015
2020
Oct '23
2025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2010, and today's defining sentence is their current revision.
Then
israeli -american mathematician and a member of the united states national academy of sciences
Now
israeli-american mathematician
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.
