For sixty years the skeletons in a frozen Himalayan pool were explained by one storm and one doomed pilgrimage. Then a genetics laboratory read their DNA and found three different groups, a thousand years apart.

He was found dead against a seawall on an Adelaide beach in 1948, his clothing stripped of every label, a scrap of Persian poetry reading it is ended sewn into a hidden pocket. For seventy-four years he had no name, only a code no one could break and a phone number no one could explain. Then DNA offered an answer, and somehow the mystery only deepened.

At harvest time in twelfth-century Suffolk, reapers found two children with green-tinted skin, crouched by a wolf pit, speaking no tongue anyone could name. Two monks, decades apart, wrote it down as fact. Eight hundred years later, historians still cannot agree whether it happened, what it means, or where the children came from.

In 1970 a burned body was found in a valley near Bergen — every label cut from her clothes, eight false names in her wake, and a coded notebook in her luggage. Half a century and a modern forensic investigation later, no one has been able to give her back her name.

He walked out of nothing into a Nuremberg square, claiming a lifetime in a dark cell. Five years later a stranger's knife — or his own — killed him. Two centuries and a 2024 DNA test later, we know who he was not, and still not who he was.

Since 2007, more than twenty human feet in sneakers have washed ashore on one stretch of Pacific coastline. Science has explained how — but not every who, and not entirely why here.

In 1957 Philadelphia mailed 400,000 flyers carrying a dead child's face — and no one said his name. In 2022 DNA finally did. Who killed Joseph Zarelli is still an open file.

In 1863 a young man with both legs freshly amputated was left on a Nova Scotia beach. He lived another forty-nine years among strangers and almost never said a word.

In June 2009 a polite stranger with a German accent spent four days in Sligo, Ireland, methodically deleting every trace of who he was. Then he was found dead on a beach. He has never been identified.