It seems he actually ended up resorting to scientific fraud in order to defend his thinking on optics. (See chapter 3 of Plastic Fantastic https://en.wikipedia.

It seems he actually ended up resorting to scientific fraud in order to defend his thinking on optics. (See chapter 3 of Plastic Fantastic https://en.wikipedia.org/wiki/Special:BookSources/9780230224674 https://en.wikipedia.org/wiki/Special:BookSources/9780230224... .)