The Code That Married Into the Case

A dead man on an Australian beach, a torn poem in his pocket, and a code nobody could break — until the mystery pulled one of its own investigators into the family at its center.

On the evening of November 30, 1948, a jeweler out for a stroll on Somerton Park beach, just south of Adelaide, Australia, noticed a man lying against the sea wall. The man was dressed oddly for the beach — a suit jacket, a tie, polished shoes — and he wasn’t moving, but his legs were crossed as if he’d simply settled in to watch the water. The jeweler assumed he was drunk and walked on. Another man walking his dog that night saw the same figure and had the same thought: some fellow sleeping off a long night.

The next morning, December 1, the man was in exactly the same position. He was dead.

What the police found when they searched him was, at first, almost unremarkable — and that was the problem. He was somewhere between 40 and 50 years old, athletically built, with no wallet, no identification, and no hat, which was strange enough for an era when men didn’t go out bareheaded. His pockets held a half-smoked cigarette tucked behind his ear as if he’d meant to finish it later, a used bus ticket, a pack of gum, a comb, and a box of matches. Every single tag had been cut out of his clothes. Not torn carelessly — removed, deliberately, from every garment he was wearing, as if someone had wanted to erase any trace of where he’d bought them or had them made.

The autopsy didn’t resolve much. The pathologist found his spleen was enlarged to roughly three times normal size, and his liver was congested with blood — signs, he thought, consistent with poisoning. But no poison was ever conclusively identified in his tissue. Three medical witnesses agreed on one thing at the inquest: whatever killed this man was not natural. The city coroner, Thomas Cleland, ultimately concluded that the man had probably been poisoned, likely with a soluble barbiturate or a similar hypnotic agent, but he could not say whether the man had taken it himself or had been given it by someone else. He could not even say who the man was. The case was given a file number and, for lack of anything better, a working name: the Unknown Man.

With no leads and no identity, police did what was standard practice for unclaimed bodies at the time: they embalmed him, took fingerprints that matched no one on file in Australia, and had a sculptor make a plaster cast of his head and torso, in case a photograph someday needed a three-dimensional match. He was eventually buried in Adelaide’s West Terrace Cemetery, in a grave marked only “Here lies the unknown man who was found at Somerton Beach.” Decades later, that plaster cast — made to help identify him in the 1940s — would turn out to be the thing that finally did.

A suitcase, and more erased labels

Three weeks after the body was found, investigators traced a brown suitcase that had been checked into the cloakroom at Adelaide Railway Station on November 30 — the day before the body turned up, and about a mile from where he died. Nobody had come back for it.

Inside were clothes: a dressing gown, slippers, underwear, a shirt, trousers. And again, nearly every clothing label had been removed, just as with the clothes on his body. One of the few items that hadn’t been stripped of its origin was a stencil marked “Keane,” along with “Kean” and “T. Keane” on a tie and laundry bag — but no man by that name matched any missing-persons report in Australia, and police eventually decided the names were a dead end, possibly belonging to a previous owner of secondhand clothing. More tellingly, a spool of distinctive orange waxed thread, of a type not sold in Australia at the time, had been used to repair a tear in his trousers in an unusual stitch pattern — the same thread, investigators found, as a reel discovered in the suitcase. Someone had gone out of their way to make this man unidentifiable, and had done so with remarkable patience and precision, right down to his sewing kit.

The poem in the secret pocket

Here is where the case tips from merely strange into something else. Months after the death, in a tightly rolled scrap of paper tucked inside a secret pocket sewn into the waistband of the man’s trousers — a pocket so small and so well hidden that it had been missed in the initial examination — police found a tiny printed fragment of paper. On it were two words in elegant type: “Tamám Shud.” It is Persian, and it is the closing phrase of the Rubaiyat of Omar Khayyám, an eleventh-century Persian poem that had become enormously popular in English translation. It means, roughly, “it is ended” or “it is finished.”

Police released the phrase publicly, hoping someone might recognize it, and a local man came forward: he’d found a copy of the exact edition of the Rubaiyat the scrap had been torn from, thrown onto the back seat of his unlocked car, parked on a street near the beach, on the night the body was discovered. He hadn’t thought much of it until he saw the news.

The book led nowhere and everywhere at once. Under ultraviolet light, police found faint pencil marks on the inside of the back cover: a local telephone number, and beneath it, five lines of capital letters, jumbled together with no obvious spaces or punctuation — the shape of a code. Australian naval intelligence and codebreakers in Melbourne examined it in 1949 and could not crack it. Some analysts have since argued it isn’t a cipher at all but an acrostic, the first letters of lines from a poem the man had memorized, possibly the Rubaiyat itself. No one has ever definitively solved it.

The phone number was easier to run down than the code. It belonged to a young nurse living only a few hundred yards from where the body had been found: Jessica Ellen Thomson, known to friends by the pseudonym “Jestyn.” When police showed her the dead man’s cast — a plaster death mask had been made, standard practice at the time for unidentified bodies — witnesses at the scene described her reaction as one of visible shock. She denied, that day and for the rest of her life, that she had any idea who the man was.

Decades of theories, and an unlikely investigator

For sixty years the case calcified into Australian legend, feeding every theory the mid-century imagination could produce. It was 1948, the opening act of the Cold War, and Adelaide was home to a sensitive long-range weapons testing range; some theorized the man was a foreign spy, poisoned for what he knew, his unbreakable code a piece of tradecraft. Others thought it was a tragic love story: a man destroyed by an affair with the nurse down the street, who knew more than she admitted. Others simply thought it was suicide, elaborately staged by a man determined that no one would ever know who he’d been. True crime podcasts and amateur codebreakers kept the case alive online long after it had faded from newspapers, and the University of Adelaide eventually gave it a permanent home on its own research wiki, where successive classes of engineering and science students were assigned the cipher as a standing, unsolved problem — a kind of institutional cold case that got handed down year after year, alongside a growing archive of failed attempts.

Among the people who became fixated on the case decades later was Derek Abbott, an electrical engineering professor at the University of Adelaide, who began investigating the Tamám Shud case with his students around 2009, treating it as a long-running research puzzle — part cryptography, part forensic genealogy. Abbott became convinced of a specific and startling version of the love-story theory: that Jestyn’s son, Robin Thomson, born about a year after the death, was actually the dead man’s child. He noted that photographs showed Robin had unusually shaped ears and a rare dental feature — teeth missing their upper lateral incisors — that closely matched features of the Somerton Man. A University of Adelaide forensic odontologist estimated the odds of that resemblance being mere coincidence at somewhere between 1 in 10,000 and 1 in 20,000.

To test the theory, Abbott needed a DNA sample from someone in Robin’s line. Robin had died, but he had a daughter: Rachel Egan, who had been adopted as a baby and raised in New Zealand, entirely unaware of any connection to one of Australia’s most famous cold cases. Abbott tracked her down and reached out, hoping she might be willing to help settle the question of her grandmother’s secret.

What happened next belongs less to a cold-case file than to the kind of story people don’t believe when it’s offered as fiction. Abbott and Egan began talking. They fell for each other. They married in 2010, and went on to have three children together — meaning the professor investigating a seventy-year-old murder mystery had, in the course of his research, married into the very family his research was about.

The name, at last

The DNA breakthrough, when it came, didn’t rely on Egan’s sample at all — it came from an entirely different source: strands of hair that had been embedded in the plaster of the 1949 death mask, preserved for decades by the University of Adelaide. In 2022, Abbott teamed up with Colleen Fitzpatrick, an American forensic genealogist, to extract usable DNA from those hairs. They uploaded a genetic profile to GEDmatch, a public genealogy database, and found a distant cousin on the dead man’s paternal side. From that single thread, they built a family tree spanning more than 4,000 people, working it down through generations until they reached a living relative on the maternal side whose DNA matched.

On July 26, 2022, Abbott announced the result: the Somerton Man was Carl “Charles” Webb, an electrical engineer and instrument maker born in 1905 in Footscray, Victoria. Abbott put his confidence in the identification at 99.9 percent. Webb was one of six siblings, had no children, and was separated from his wife, who had since moved to Adelaide — Abbott’s working theory is that Webb may have traveled there to see her. Webb was also, notably, the only member of his large family for whom no death record had ever been found, which may be the simplest, least conspiratorial explanation for why a body with no name sat unclaimed for seven decades: there may have been no one left looking for him at all. Even granting the identification, it explains only who the man was, not what happened to him — the stripped labels, the hidden pocket, and the uncracked code remain exactly as unexplained as they were in 1948.

South Australia Police exhumed the Somerton Man’s remains from Adelaide’s West Terrace Cemetery back in 2021, anticipating exactly this kind of breakthrough, and Forensic Science South Australia began the work of independently testing the exhumed DNA against Abbott’s findings. As of this writing, police have said the formal determination of identity rests with the state coroner, and an official report — now years in the making since that 2021 exhumation — has been described as close to complete, though no coronial ruling confirming Webb’s identity has yet been issued.

It is a strange, fitting irony that a case named for a phrase meaning “it is finished” has resisted being finished for so long, even after apparently being solved. The clothes with their labels cut away, the thread from a country that didn’t sell it, the pocket sewn in secret, the code no cryptographer could crack, the nurse who said nothing for sixty years, and the professor who went looking for a dead man’s identity and found, instead, a family and a wife — each piece of the Tamám Shud case seems to resist the very idea of a clean ending. Even now, with a name attached to the man on the beach, the official record, in the one place that is supposed to say “it is finished,” still has not.

The Code That Married Into the Case

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