Edmund Cooper

matter transmission n.	1975 E. Cooper in Science Fiction Monthly (vol. 2, no. 4) 11/2 When you have two molecules trying to occupy the same space at the same time, you get an atomic explosion, so matter transmission is not possible.
space-born adj. 2	1956 E. Cooper Question of Time in Fantastic Universe May 112/1 The men of Star Base Three, looking at their chief, saw in the strange brilliance of his eyes a vision of solar expansion, the dream of a space-born civilization bridging the star-gaps.
starbase n.	1956 E. Cooper Question of Time in Fantastic Universe 114/2 At last, the work of demolition was completed. With the wrecking of the dormitory and living-unit, Star Base Three was completely razed to the ground.
Terrene n.	1958 E. Cooper Tomorrow’s Gift 124 Lukas and his companions saw that the inhabitants of Fomalhaut Three were almost uniformly tall—each of them about two inches higher than Alsdorf, who was the tallest of the terrenes.
Terrene adj. 1	1956 E. Cooper End of Journey in Fantastic Universe Feb. iv. 16/2 Perhaps Kobler had succeeded. Perhaps the galaxy M 81 had been entered by a terrene ship for the first time... Much good it would do the United Space Corporation! [...] Then suddenly he realized that if the Santa Maria had indeed reached M 81, the planet Earth was not only sixteen hundred thousand light years away, it was also sixteen hundred thousand years ago.