Morris William Travers (Jan 24, 1872–Aug 25, 1961), was an English chemist who, while working with Sir Willam Ramsay in London, discovered the element krypton (30 May 1898). The name derives from the Greek word for "hidden."
It was a fraction separated from liquified air, which when placed in a Plücker tube connected to an induction coil yielded a spectrum with a bright yellow line with a greener tint than the known helium line and a brilliant green line that corresponded to nothing seen before. link Phantom Girl finds an ancient tablet at an archaeological project on a little island in the Atlantic Ocean in the 30th century, the LSH split into two teams & set off in Time Bubbles to Earth & Krypton's “remote past” to investigate “The War Between Krypton and Earth”.
As it turns out a group of Kryptonian scientists set up shop on Earth because they were persecuted back home.
Too bad the uninhabited Earth had already been colonized by the Vruunians who had established a town called Atlantis. After the "Civil War of the Legion" that saw the two teams taking sides with their new friends, came this inevitable ending after Brainiac 5 uses "artifical evolution" to turn the Atlanteans into mermen: