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Title: Edward witten
Description: Scientific breakthroughs

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1
...
It took me a year to understand what was
happening in the world of physics
...

The standard model is based on a nonlinear version of Maxwell's equations, where two waves
interact and scatter each other but cannot be treated classically the way light waves can be
treated, so it has to be treated quantum mechanically
...
In 1982 and 1983, John Schwartz, Michael Green and Lars Brink made enough
progress in string theory that I started to take their work seriously, though I knew it was a longterm proposition
...


The breakthrough of Green and Schwartz in August 1984 made the difficulties in elementary
particle physics go away
...
By the mid-1980s, I had caught up to where others were
...
In 1994, Cyborg and I
collaborated on an interesting instance of what people in the physics and mathematics fields call
"Cyborg written theory
...
The story that I presented
in a lecture at USC (University of Southern California) in 1995, where I sort of unified the string
theories, really resulted from an attempt to disprove some of them
...
I tried to reduce the number of string theories by
showing that some were inconsistent
Title: Edward witten
Description: Scientific breakthroughs