I have not seen an example of a singular thing that is “paradigm shifting.” Even with relativity, the overall set of concepts and results is paradigm shifting,

I have not seen an example of a singular thing that is “paradigm shifting.” Even with relativity, the overall set of concepts and results is paradigm shifting, but every individual contributor, including Einstein, pursued small specific incremental pieces and various postulations whose significance wasn’t determined until years latee through incremental experiments.