The Shadow Out of Time by H.P. Lovecraft
Exploring themes of time travel and memory loss, this novella follows a man haunted by visions of a past life among ancient cosmic beings. Lovecraft delves into existential horror, depicting ancient races, lost knowledge, and humanity's insignificance in the vastness of time.

H.P. Lovecraft (1890–1937) was an American writer of cosmic horror, known for creating the Cthulhu Mythos. His works, including The Call of Cthulhu and The Shadow Out of Time, explore cosmic dread, ancient beings, and the insignificance of humanity, influencing modern horror literature.