Daguerreotype
Time: 1837
Place: France
Details: Daguerre succeeded in developing a high-contrast and extremely sharp image by exposing on a plate coated with silver iodide and exposing this plate again to mercury vapor. By 1837, he was able to fix the images with a common salt solution. He called this process Daguerreotype and tried unsuccessfully for a couple of years to commercialize it. Eventually, with the help of the scientist and politician François Arago, the French government acquired Daguerre's process for public release. In exchange, pensions were provided to Daguerre as well as Niépce's son, Isidore.
Best-effort ordering. Some events may appear out of order since many are only known to the year, but they are usually around the same period.
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