Mormonism
The idea of multiple universes has been entertained by LDS Church leaders since its beginnings. Brigham Young taught there is no such thing as “empty space” lending to the idea that any space beyond this universe is occupied. His colleague Orson Pratt said, “We can come to no other conclusion, but that worlds, and systems of worlds, and universes of worlds existed in the boundless heights and depths of immensity… (Jan 01, 1851)” and “Can we get away from it? No; for it fills all the intermediate spaces between world and world, between one system and another, and between universe and universe; “and there is no space in which there is no kingdom, and there is no kingdom in which there is no space; (Mar 14, 1875)” (Journal of References Volume 1 the Adam-God Revelation, chapters 12:6; 25:24; 126:7).
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