Aldous Huxley

soma n.	1932 A. Huxley Brave New World iii. 66 There is always soma, delicious soma, half a gramme for a half-holiday, a gramme for a week-end, two grammes for a trip to the gorgeous East, three for a dark eternity on the moon.
uchronia n.	1938 A. Huxley Ends & Means x. 145 It would be interesting to construct a historical ‘Uchronia’ (to use Renouvier’s useful word), based upon the postulate that Robespierre and the other Jacobin leaders were convinced pacifists.
uchronic adj.	1938 A. Huxley Ends & Means x. 146 Returning from Uchronic speculations to a consideration of actuality, we find that in Russia the original aim of the revolutionaries was the creation of a society enjoying the maximum possible amount of self-government in every field of activity.