 Reinforcing Quine's assault on logical empiricism, Kuhn ushered Amerian and English academia into postpositivism or postempiricism.Karl Popper's 1959 book proposing falsificationism, originally published in German in 1934, reached readers of English at a time when logical empiricism, with its ancestrally verificaitonist program, was so dominant that a book reviewer mistook it for a new version of verificationism.Instead, Popper's falsificationism fundamentally refuted verificationism.