Earlier quoted context omitted.
By the rumors that I read in forums, Sukbae Lee and Ji-Hoon Kim hit the first sample (the prototype of LK-99) in 1999 trying to prove the theory of their professor Choi Dong-Shik. Around 2017 YoungWan Kwon joined to the team and they got investment enough for to buy an SQUID and a EPR. In 2020, L and K hit with LK99. They tried to submit a paper to Nature, but was rejected. They contacted with HyunTak Kim after read…
Important additional rumours I heard from a little birdie: The Nature rejection was because of the Ranga Dias affair, and it wasn't an outright rejection but a requirement that the paper be submitted to a local journal and peer reviewed by local scientists before it would be considered. Before Kwon joined the team at LG's alleged insistence, the reason that Lee and Kim had restarted research at all was because Choi D…
Note that this is indeed what has been told by the group, but it might have been indeed happened (say, as a polite way to say GTFO), or the Nature paper was outright rejected and the notice was made up. There were enough people that questioned the veracity of this very anecdote.