Nikodem Pop%C5%82awski
Nikodem Janusz Popawski is a theoretical physicist, most widely noted for the theory that every black hole is a doorway to another universe and that the Universe was formed within a black hole which itself exists in a larger universe. This theory was listed by National Geographic and Science magazines among their top ten discoveries of 2010. Popawski appeared in a bonus episode of Seasonof a Science show Through the Wormhole, titled Are There Parallel Universes, and Episodeof a Discovery Channel show Curiosity, titled Parallel Universes Are They Real, which were hosted by Morgan Freeman and aired in 2011. He was named by Forbes magazine in 2015 as one of five scientists in the world most likely to become the next Albert Einstein.
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Source: Wikipedia