Wikipedia's first sentence called it “educator”. Today it says “professor of electrical engineering”. The one-line description Wikipedia serves to search engines and AI systems read “American electrical engineer, science policy adviser, and university president”. It now reads “American science advisor and university president (1915–1994)”.
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
American electrical engineer, science policy adviser, and university president Jerome Bert Wiesner (May 30, 1915 – October 21, 1994) was a professor of electrical engineering , chosen by President John F.1 Kennedy as chairman of his Science Advisory Committee (PSAC). Educated at the University of Michigan , Wiesner was associate director of the university's radio broadcasting service and provided electronic and acoustical assistance to the National Music Camp at Interlochen, Michigan . During World War II , he worked on microwave radar development at the MIT Radiation Laboratory . He worked briefly after the war at the Los Alamos National Laboratory , then returned to MIT's Research Laboratory of Electronics from 1946 to 1961. After serving as Kennedy's science advisor, he returned to MIT, becoming its president from 1971 to 1980. He was an outspoken critic of crewed exploration of outer space , believing instead in automated space probes. He challenged NASA 's choice of developing the Apollo Lunar Module as a means to achieving Kennedy's goal of landing men on the Moon. At Kennedy's direction, he investigated Rachel Carson 's criticism of the use of the pesticide DDT , and issued a report in support of her claims. He was an advocate for arms control , and a critic of Anti-ballistic missile defense systems. While MIT president, he was put on President Richard M.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1169306159.
The opening as it stood in 2010
Jerome Wiesner (Jerome Bert Wiesner) (May 30, 1915 – October 21, 1994) was an educator, a Science Advisor to U.S. Presidents Eisenhower and (more formally) Kennedy and Johnson , an advocate for arms control, and a critic of anti-ballistic-missile defense systems. He was also an outspoken advocate for the exploration of outer space using only unmanned satellites, most notably in his consistent denouncement of Project Mercury and its follow-ups.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 361562362.
The opening as it stood in 2015 1 passage from the previous snapshot no longer appear
Jerome Bert Wiesner (May 30, 1915 – October 21, 1994) was a professor of electrical engineering , chosen by President John F.Kennedy as chairman of his Science Advisory Committee (PSAC).Educated at the University of Michigan , he was associate director of the university's radio broadcasting service and provided electronic and acoustical assistance to the National Music Camp at Interlochen, Michigan .During World War II , he worked on microwave radar development at the MIT Radiation Laboratory .He worked briefly after the war at the Los Alamos National Laboratory , then returned to MIT's Research Laboratory of Electronics from 1946 to 1961.After serving as Kennedy's science advisor, he returned to MIT, becoming its president from 1971 to 1980.He died at his home of heart failure.He was an outspoken critic of manned exploration of outer space , believing instead in automated space probes.He challenged NASA 's choice of developing the Apollo Lunar Module as a means to achieving Kennedy's goal of landing men on the Moon.At Kennedy's direction, he investigated Rachel Carson 's criticism of the use of the pesticide DDT , and issued a report in support of her claims. He was an advocate for arms control, and a critic of anti-ballistic-missile defense systems. While MIT president, he was put on President Richard M.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 660380926.
The opening as it stood in 2020
Jerome Bert Wiesner (May 30, 1915 – October 21, 1994) was a professor of electrical engineering , chosen by President John F. Kennedy as chairman of his Science Advisory Committee (PSAC). Educated at the University of Michigan , he was associate director of the university's radio broadcasting service and provided electronic and acoustical assistance to the National Music Camp at Interlochen, Michigan . During World War II , he worked on microwave radar development at the MIT Radiation Laboratory . He worked briefly after the war at the Los Alamos National Laboratory , then returned to MIT's Research Laboratory of Electronics from 1946 to 1961. After serving as Kennedy's science advisor, he returned to MIT, becoming its president from 1971 to 1980. He died at his home of heart failure. He was an outspoken critic of manned exploration of outer space , believing instead in automated space probes. He challenged NASA 's choice of developing the Apollo Lunar Module as a means to achieving Kennedy's goal of landing men on the Moon. At Kennedy's direction, he investigated Rachel Carson 's criticism of the use of the pesticide DDT , and issued a report in support of her claims. He was an advocate for arms control , and a critic of anti-ballistic-missile defense systems. While MIT president, he was put on President Richard M.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 939690961.
The opening as it stood in 2025
American university president (1915–1994) Jerome Bert Wiesner (May 30, 1915 – October 21, 1994) was a professor of electrical engineering , chosen by President John F. Kennedy as chairman of his Science Advisory Committee (PSAC). Educated at the University of Michigan , Wiesner was associate director of the university's radio broadcasting service and provided electronic and acoustical assistance to the National Music Camp at Interlochen, Michigan . During World War II , he worked on microwave radar development at the MIT Radiation Laboratory . He worked briefly after the war at the Los Alamos National Laboratory , then returned to MIT's Research Laboratory of Electronics from 1946 to 1961. After serving as Kennedy's science advisor, he returned to MIT, becoming its president from 1971 to 1980. He was an outspoken critic of crewed exploration of outer space , believing instead in automated space probes. He challenged NASA 's choice of developing the Apollo Lunar Module as a means to achieving Kennedy's goal of landing men on the Moon. At Kennedy's direction, he investigated Rachel Carson 's criticism of the use of the pesticide DDT , and issued a report in support of her claims. He was an advocate for arms control , and a critic of anti-ballistic missile defense systems. While MIT president, he was put on President Richard M.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1292368592. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “educator”. Today it says “professor of electrical engineering”. The one-line description Wikipedia serves to search engines and AI systems read “American electrical engineer, science policy adviser, and university president”. It now reads “American science advisor and university president (1915–1994)”. 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
educator
Now
professor of electrical engineering
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.