Wikipedia's first sentence called it “chair of the pharmacology department at yale university school of medicine in new haven”. Today it says “yugoslav -born israeli - american biochemist and biophysician”.
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
Joseph Schlessinger (born Josip Schlessinger; 26 March 1945) is a Yugoslav -born Israeli - American biochemist and biophysician. He is chair of the Pharmacology Department at Yale University School of Medicine in New Haven , Connecticut, as well as the founding director of the school's new Cancer Biology Institute. His area of research is signaling through tyrosine phosphorylation , which is important in many areas of cellular regulation, especially growth control and cancer. Schlessinger's work has led to an understanding of the mechanism of transmembrane signaling by receptor tyrosine kinases and how the resulting signals control cell growth and differentiation.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1178477126.
The opening as it stood in 2010
Joseph Schlessinger is Chair of the Pharmacology Department at Yale University School of Medicine in New Haven , Connecticut . His area of research is signaling through tyrosine phosphorylation , which is important in many areas of cellular regulation, especially growth control and cancer . Schlessinger is best known for his studies that have led to an understanding of the mechanism of transmembrane signaling by receptor tyrosine kinases and how the resulting signals are transmitted within the cell to control cell growth and differentiation.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 363085383.
The opening as it stood in 2015
Joseph "Josip" Schlessinger (born 26 March 1945) is a Croatia -born Israeli biochemist and biophysician.He is chair of the Pharmacology Department at Yale University School of Medicine in New Haven , Connecticut, as well as the founding director of the school's new Cancer Biology Institute. His area of research is signaling through tyrosine phosphorylation , which is important in many areas of cellular regulation, especially growth control and cancer. Schlessinger's work has led to an understanding of the mechanism of transmembrane signaling by receptor tyrosine kinases and how the resulting signals control cell growth and differentiation.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 666835899.
The opening as it stood in 2020 1 passage from the previous snapshot no longer appear
He is chair of the Pharmacology Department at Yale University School of Medicine in New Haven , Connecticut, as well as the founding director of the school's new Cancer Biology Institute. His area of research is signaling through tyrosine phosphorylation , which is important in many areas of cellular regulation, especially growth control and cancer. Schlessinger's work has led to an understanding of the mechanism of transmembrane signaling by receptor tyrosine kinases and how the resulting signals control cell growth and differentiation.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 940596000.
Today
Wikipedia's first sentence called it “chair of the pharmacology department at yale university school of medicine in new haven”. Today it says “yugoslav -born israeli - american biochemist and biophysician”. 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
chair of the pharmacology department at yale university school of medicine in new haven
Now
yugoslav -born israeli - american biochemist and biophysician
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.
