Faith · Heritage · Science
Chronology of scientific studies of the Shroud of Turin from 1898 to 2025
In 1898 the photographer Secondo Pia photographed the Shroud of Turin and discovered that the image behaves like a photographic negative. The positive appeared only on the negative plate. This observation became the first scientific fact about the relic that received no simple explanation. In 1969–1973 the Vatican formed