Renowned archeologist, physicist, and explorer, Dr. Perdu was responsible for many discoveries. His most recent expedition to Sconosciuto was inspired by Discovery of Ruins at Mine 5 by Mintz. which resulted in 1st Miskatonic Expedition arrives. His daughter A'aret Perdu accompanied her dad on his last expedition as described in Regarding Noble Pursuits. Unfortunately a disaster happened and the entire expedition was lost, but not before the doctor was able to publish Resonant Frequency Response of Hyperfolds in Space-time as described in Dr. Nathan Perdu publishes his paper titled Resonant Frequency Response of Hyperfolds in Space-time.
Many months later the doctor was found dead on Sconosciuto clutching a Photo of a woman and a young girl of his daughter , Dr. Perdu's Tablet, and a strange eldritch object, later identified a a Mind Cage. Dr. Perdu's daughter was found in custody of Seer Gaael and later discovered to have been imprisoned in Sconosciuto. Unfortunately the temple flew off and the girl is still presumed to be in the captivity of Sconosciuto.