He was supposed to debunk it. Barry Schwartz, a Jewish photographer from Pittsburgh, entered the Cathedral of St. John the Baptist in Turin in 1978 with a single mission: to prove the Shroud of Turin was a medieval forgery. He left 46 years later, broken by a molecule.
Schwartz was no ordinary photographer. He was one of America’s top scientific photographers, chosen by a team of 33 scientists for the Shroud of Turin Research Project precisely because he had no religious bias. He twice tried to back out, asking the team leader why a Jewish man would want to be involved with Christianity’s most important relic. NASA imaging scientist Don Lynn gave him five words that changed everything: “God doesn’t reveal everything ahead of time.”
Within the first hour of examining the 14-foot linen cloth, Schwartz knew something was wrong. The image didn’t look like a painting. There were no brush strokes, no visible pigments, no signs of human artistry. But one detail kept him skeptical for 17 years: the blood was red. Not brown, not black, not the darkened color forensic experts know blood turns after decades. It was red.
Standing over the cloth in 1978, Schwartz glanced at colleague Vern Miller. They didn’t need to speak. Old blood doesn’t stay red. Something didn’t add up.
The mystery of the Shroud began long before Schwartz arrived. In 1898, amateur photographer Secondo Pia was granted rare permission to photograph the cloth. Using a bulky camera and magnesium flashes, he exposed two large glass plates. Alone in his darkroom, Pia lowered a plate into developing chemicals and nearly dropped it. What appeared was not the distorted, eerie negative image photography normally produces. It was a portrait: clear, detailed, hauntingly lifelike, with closed eyes, a broken nose, bruising along the right cheek, and an expression of deep calm.
The image on the cloth is already a negative. When turned into another negative, it becomes a positive. That means the realistic face was hidden within the cloth all along, waiting for photography to reveal it. No medieval artist understood the concept of a photographic negative. No artist could create a perfectly reversed image across 14 feet of linen without seeing the final result.
In 1976, two U.S. Air Force physicists, John Jackson and Eric Jumper, ran a photograph of the Shroud through a VP-8 image analyzer, technology designed to map the surface of Mars. The machine translates brightness into three-dimensional terrain. Normal images produce distorted shapes. The Shroud produced a clear, accurate 3D form of a human body: nose, cheekbones, brow, chest, crossed hands, legs. The figure could be rotated without distortion. In nearly 50 years since, no image, painted, photographed, or digitally created, has ever reproduced that result.
The blood on the Shroud is even more puzzling. In 1978, chemists John Heller and Alan Adler conducted 12 separate diagnostic tests on suspected blood samples. When Heller saw spectral results confirming hemoglobin, he said it gave him chills. It was real blood: hemoglobin, albumin, heme-related compounds, serum halos that appear when blood begins to separate as it dries. No medieval artist would have known to include such forensic details.
The blood was on the cloth before the image appeared. Whatever created the image formed around the blood stains, not disturbing them. Beneath the blood, there is no image of a body at all. In every known artistic method, a painter creates the figure first, then adds blood. The Shroud shows the exact opposite.
In 2017, researchers from the University of Padua found tiny particles of creatinine at levels associated with rhabdomyolysis, a condition where skeletal muscle breaks down due to extreme physical trauma. This would suggest the individual suffered intense prolonged torture before crucifixion. The study was later retracted due to procedural concerns, but the findings aligned with earlier work.
The wounds from the nails appear in the wrists, not the palms. In the 1930s, French surgeon Pierre Barbet showed that palm tissue cannot support a human body’s weight. Crucifixion required nails through a space in the wrist between the bones. Every time Barbet drove a nail through that space, the median nerve was damaged, and the thumb snapped sharply inward toward the palm. Look at the Shroud: each hand shows four fingers, not five. The thumbs are tucked into the palms, hidden from view. No medieval artist knew this.
Tests have indicated blood type AB, one of the rarest in the world, found in only about 3% of the global population. The same blood type appears on the Sudarium of Oviedo, a separate cloth in northern Spain with a documented history back to the 6th century. The stain patterns align with the Shroud’s facial dimensions. Researchers found about 70 matching points on the front and another 50 on the back. The estimated nose length calculated from fluid flow came to roughly 3 inches on both cloths.
In 2015, geneticist Gianni Barcaccia published a study in Nature Scientific Reports analyzing mitochondrial DNA from dust particles trapped in the Shroud’s weave. The genetic traces pointed to Western Europe, the Middle East, East Africa, the Indian subcontinent, and East Asia. If this were a medieval forgery, it would mean gathering biological traces from multiple continents, something impossible at the time.
Swiss criminologist Max Frei and Israeli botanist Avinoam Danin identified pollen from 58 plant species on the cloth. Most came from the Middle East, Turkey, and a narrow region between Jerusalem and Jericho. One plant stood out: Gundelia tournefortii, a thorny desert species with long needle-like spines that blooms near Jerusalem in early spring, around Passover.
In 1988, three radiocarbon dating labs tested samples from the Shroud and dated it to between 1260 and 1390 CE. The findings were published in Nature. For many, the case was closed. But the original plan called for seven independent laboratories, samples from multiple areas, and blind testing. That plan was scaled down dramatically. Only three labs were used, only one sample site was tested, and oversight was handled by a single institution, the British Museum.
The sample came from one of the most handled areas of the cloth, a corner touched repeatedly during public displays, exposed to sweat, candle wax, incense smoke, and natural oils from countless hands.
Raymond Rogers, a respected Los Alamos chemist and founding editor of Thermochimica Acta, set out to disprove claims that the carbon-dated sample came from a medieval repair patch. He examined the actual threads and found cotton woven together with linen, cotton not found anywhere else on the Shroud. The sample was coated with a yellow-brown plant gum and contained traces of dye made from madder root mixed with gum arabic. None of these substances appeared in the rest of the cloth.
Rogers concluded that after a major fire in 1532 damaged the Shroud, medieval nuns likely repaired it by weaving new cotton threads into the original linen, dying them to match, and using plant gums to blend everything seamlessly. The 1988 carbon dating didn’t test the original cloth. It tested the repair.
Rogers also tested vanillin, a compound in linen that breaks down over time. The main body of the Shroud showed no detectable vanillin, consistent with very old linen like the Dead Sea Scrolls. The carbon-dated corner still contained vanillin, suggesting it was much newer. Rogers estimated the original cloth could be between 1,300 and 3,000 years old.
For nearly 30 years, the laboratories involved did not release their raw data. In 2017, French researcher Tristan Casabianca used British freedom of information laws to obtain 711 pages of raw data from the British Museum. In 2019, he published findings in Archaeometry showing that the University of Arizona conducted around 40 individual measurements, not just the four summarized in Nature. Different parts of the same small sample produced radiocarbon dates varying by as much as 150 years within about an inch of material.
In 2022, Italian physicist Liberato De Caro applied wide-angle X-ray scattering to examine cellulose structure in linen fibers. He compared Shroud fibers with fabrics of known ages, including ancient Egyptian mummy wrappings, medieval textiles, and linen from Masada, destroyed by the Romans in 73 CE. The results suggested the Shroud’s fibers were most consistent with materials from the 1st century.
Textile expert Mechthild Flury-Lemberg examined the reverse side of the cloth and identified a stitching technique she had only seen once before in her entire career, on textiles from Masada dating to before 73 CE.
On January 21, 1996, Schwartz launched shroud.com, the largest and oldest online archive dedicated to Shroud research, created years before Google existed. In a 2013 TEDx Talk at the Vatican, he told the audience, “I truly believe that only God would choose a Jewish man with no connection to Jesus, someone skeptical and even a bit negative, and put him on that team.” He paused, smiled, and added, “Isn’t it interesting how God always seems to choose a Jew to deliver the message?”
Barry Schwartz passed away on June 21, 2024, at age 77, following complications from leukemia and kidney failure. In 2025, he was honored posthumously at an international Shroud Conference with a lifetime achievement award. He never changed his religion. He never shifted his stance. A Jewish man who spent 46 years studying Christianity’s most significant artifact, moved not by belief, but by the weight of the evidence.
Even a single molecule, bilirubin, a chemical marker tied to extreme physical stress, helped explain why the blood on the cloth remains red. It broke his resistance. It pushed him to accept what the evidence had been suggesting all along.
Today in Turin, the cloth rests behind protective glass, preserved in a controlled environment. It remains folded, mostly hidden from view. It still carries red stained marks, an image no one has been able to fully explain. Microscopic traces from different regions and time periods. Pollen from a landscape tied to ancient history. Chemical signs that point to a body that endured extreme physical trauma.
It doesn’t ask for belief. It’s simply there, unchanged, waiting, as it has been for centuries.
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