In surveying the field of history and philosophy of science , it may be more useful just now to pose some key questions than it would be to lay out the sundry competing attempts to unify H and P. The ten problems this essay presents are grounded in a range of work of enormous interest—historical and philosophical work that has made use of productive categories of analysis: context, historicism, purity, and microhistory, to name but a few. What kind of account (...) are we after—historically and philosophically—when we attempt to address science not as a vacuous generality but in its specific, local formation? (shrink)