The Somerton Man (Taman Shud)

The Somerton Man case remains one of Australia’s most confounding mysteries, with an uncracked code and unknown cause of death persisting even after identification. On December 1, 1948, an unidentified man was discovered dead on Somerton Beach, Adelaide, with all clothing labels removed and a scrap of paper reading "Taman Shud" from a rare edition of The Rubaiyat of Omar Khayyam hidden in a pocket. The associated book contained an encrypted message in pencil that has never been deciphered. Despite international inquiries, the man’s identity eluded investigators for 74 years until 2022, when DNA analysis and genealogy identified him as Carl "Charles" Webb, a Melbourne electrical engineer. This identification outperforms #5's resolution rate, yet key questions remain unanswered: why he was on the beach, the exact cause of death (no definitive poison or trauma found), and the meaning of the code. Over 50% of the mystery’s details—such as the lack of a clear motive—still haunt experts.