BeetleB parent
That's Dan Ariely. I don't think there's any known example of Kahnemann fabricating data.
As fair as I know none of the research by Kahemann himself is suspect, but a lot of the studies he cited in Thinking Fast and Slow, especially the ones about priming, have failed to replicate. YMMV on what this implies for the book as a whole.
He's open about the priming chapter concern:
https://retractionwatch.com/2017/02/20/placed-much-faith-und...