"Theosophy, a philosophy grounded in metaphysical materials transmitted by ABs through H. P. Blavatsky in the late nineteenth century, holds that humans have gone through several physical forms on Earth. According to Blavatsky, humanity in its second (Lemurian) and third (Atlantean) stages of civilization benefited from recurrent visits by the 'gods.' Theosophists believe that in the middle of the Lemurian era (14 to 16 million years ago) external forces (ABs) helped our evolving ancestors come into full physical form. (It is interesting to note that the earliest date attributed to fossils of proto-Ramapithecus by some paleoanthropologists is 14 million years ago.) Regarding the Atlantean era, theosophy implies humans received outside help in 'the use of fire, the building of cities, and the development of metallurgy.'"
  https://www.bibliotecapleyades.net/vida_alien/alien_humanitymanipulationalien11.htm

AB=Advanced Beings