Scepticus, on 17 December 2012 - 02:47 PM, said:
I'm sorry,
But it was actually Newton who proposed this hypothesis.
:D
Only indirectly (
Princpia III). The actual early presentation of the hypothesis was Halley's interpretation of Newton's (erroneous) calculations.
Nonetheless, your point regarding earlier versions of the hypothesis is quite valid. My apologies for not being more specific. At that moment, it was my intent to refer to the more "recent" incarnations of the hypothesis as per the likely reference material of the original poster's in-law.
.