History of analytic philosophy has been an active, going concern within analytic philosophy for decades — one can scarcely imagine analytic philosophy being continued with some serious attention paid to the work of founders such as Gottlob Frege, Bertrand Russell, and Ludwig Wittgenstein. History of philosophy of science has become an explicit part of the philosophical agenda in the past quarter century or so. These areas of research importantly overlap — logical empiricism, in particular, was an episode in both histories. One might be forgiven for thinking, given all this, that the question of the relations of analytic philosophy to philosophy of science in the twentieth century would have been importantly thematized in both sorts of history and that the historical relations between analytic philosophy and philosophy of science would be, by now, a well-tilled field.