In this paper I demonstrate that, contrary to the standard interpretat
ions, William Whewell's view of scientific method is neither that of t
he hypothetico-deductivist nor that of the retroductivist. Rather, he
offers a unique inductive methodology, which he calls ''discoverers' i
nduction.'' After explicating this methodology, I show that Kepler's d
iscovery of his first law of planetary motion conforms to it, as Whewe
ll claims it does. In explaining Whewell's famous phrase about ''happy
guesses'' in science, I suggest that Whewell Intended a distinction b
etween ''inductions,'' which can be empirically verified, and ''mere h
ypotheses''-or guesses-which cannot. Finally, I argue that Whewell's d
iscoverers' induction is a view worthy of our attention today. because
it avoids a number of problems faced by prominent alternative methodo
logies.