R. S. Richardson

astrogation n.	1943 R. S. Richardson Space Fix in Astounding Science-Fiction Mar. 48/2 Doubtless fifty years hence our pictures of rocket craft will look as crude as the engravings in the Jules Verne books do today. But it is hard to see how the principles of astragation can differ radically from the principles upon which nautical astronomy and celestial.
contraterrene adj.	1941 R. S. Richardson Inside Out Matter in Astounding Science Fiction Dec. 112/1 Contraterrene means just that—a type of matter exactly the opposite of ordinary or terrene matter. Instead of atoms composed of a positive nucleus surrounded by electrons, it consists of a negative nucleus surrounded by positrons.
sentience n. 1	1946 ‘P. Latham’ Blindness in Astounding Science Fiction July 128/1 There is evidence that inorganic matter possesses a certain degree of sentience; that is, the atom may have consciousness and will, and therefore in a limited sense the power to control its own destiny.
terrene adj. 2	1941 R. S. Richardson Inside Out Matter in Astounding Science Fiction Dec. 112/1 Contraterrene means just that—a type of matter exactly the opposite of ordinary or terrene matter. Instead of atoms composed of a positive nucleus surrounded by electrons, it consists of a negative nucleus surrounded by positrons.