Wikipedia's first sentence called it “former motorola vice president and division manager who in the 1970s led the team that developed the handheld m”. Today it says “american engineer”.
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 2025 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 2025
He is a pioneer in the wireless communications industry, especially in radio spectrum management , with eleven patents in the field. On April 3, 1973, Cooper placed the first public call from a handheld portable cell phone while working at Motorola , from a Manhattan sidewalk to his counterpart at competitor Bell Labs . Cooper reprised the first handheld cellular mobile phone (distinct from the car phone ) in 1973 and led the team that redeveloped it and brought it to market in 1983. He is considered the "father of the (handheld) cell phone ", and received the 2015 IEEE Masaru Ibuka Consumer Electronics Award for this work. Cooper is co-founder of numerous communications companies with his wife and business partner Arlene Harris ; He is co-founder and current Chairman of Dyna LLC, in Del Mar, California . Cooper also sits on committees supporting the U.S. In 2010, Cooper was elected a member of the National Academy of Engineering for leadership in the creation and deployment of the cellular portable hand-held telephone.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1298045279.
The opening as it stood in 2010
Martin Cooper (born December 26, 1928 in Chicago, Illinois , USA) is a former Motorola vice president and division manager who in the 1970s led the team that developed the handheld mobile phone (as distinct from the car phone ). Cooper is the CEO and founder of ArrayComm , a company that works on researching smart antenna technology and improving wireless networks , and was the corporate director of Research and Development for Motorola .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 368100828.
The opening as it stood in 2015 2 passages from the previous snapshot no longer appear
Martin " Marty " Cooper (born December 26, 1928) is an American engineer .He is a pioneer and visionary in the wireless communications industry.With eleven patents in the field, he is recognized as an innovator in radio spectrum management .While at Motorola in the 1970s, Cooper conceived the first handheld mobile phone (distinct from the car phone ) in 1973 and led the team that developed it and brought it to market in 1983.He is considered the "father of the cell phone " and is also cited as the first person in history to make a handheld cellular phone call in public.Cooper is co-founder of numerous successful communications companies with his wife and business partner Arlene Harris ; also known as the "first lady of wireless." He is co-founder and current Chairman of Dyna LLC, in Del Mar, California .Cooper also sits on committees supporting the U.S.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 668873403.
The opening as it stood in 2020 1 passage from the previous snapshot no longer appear
American engineer Martin " Marty " Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management , with eleven patents in the field.While at Motorola in the 1970s, Cooper invented the first handheld cellular mobile phone (distinct from the car phone ) in 1973 and led the team that developed it and brought it to market in 1983. He is considered the "father of the (handheld) cell phone " and is also cited as the first person in history to make a handheld cellular phone call in public. Cooper is co-founder of numerous communications companies with his wife and business partner Arlene Harris ; He is co-founder and current Chairman of Dyna LLC, in Del Mar, California . Cooper also sits on committees supporting the U.S.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 964610910.
The opening as it stood on October 6, 2023 2 passages from the previous snapshot no longer appear
He is a pioneer in the wireless communications industry, especially in radio spectrum management , with eleven patents in the field. On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola , from a Manhattan sidewalk to his counterpart at competitor Bell Labs . Cooper reprised the first handheld cellular mobile phone (distinct from the car phone ) in 1973 and led the team that re-developed it and brought it to market in 1983. He is considered the "father of the (handheld) cell phone ". Cooper is co-founder of numerous communications companies with his wife and business partner Arlene Harris ; He is co-founder and current Chairman of Dyna LLC, in Del Mar, California . Cooper also sits on committees supporting the U.S. In 2010, Cooper was elected a member of the National Academy of Engineering for leadership in the creation and deployment of the cellular portable hand-held telephone.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1178925313.
Today
Wikipedia's first sentence called it “former motorola vice president and division manager who in the 1970s led the team that developed the handheld m”. Today it says “american engineer”. 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
former motorola vice president and division manager who in the 1970s led the team that developed the handheld m
Now
american engineer
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.