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Levi Hill

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For the English trade union official, see Levi Hill (trade unionist).
Hillotype view of houses, c. 1850
Hillotype of a colored engraving
Hillotype of a colored engraving

Levi Hill (26 February 1816 − 9 February 1865)[1] was an American minister in upstate New York who claimed in 1851 that he had invented a color photographic process. Borrowing terms previously introduced in France, Hill called his process "heliochromy" and the photographs that it produced "heliochromes", but by analogy to the naming of the then-current daguerreotype process after its inventor Louis Daguerre, Hill's color photographs were soon being called "Hillotypes".[2] Hill's work was met with skepticism during his lifetime, then for more than a hundred years after his death histories of photography routinely dismissed it as a complete fraud. Later researchers found that his very difficult process did in fact have a limited ability to reproduce the colors of nature.

Life and work

Levi Hill was, among other things, a Baptist minister in Westkill (Greene County) in the New York Catskill Mountains area.

In the early 1840s, Hill learned the daguerreotype process, the only photographic process commonly used during that decade. It yielded black-and-white photographs that reproduced light and shade but not color. By 1851, Hill had worked out his own very different version of the process, which he claimed was able to reproduce the colors of the subject, too. Though many were of the opinion that the color in Hill's photographs was added by hand-tinting, he received support from some in the scientific community, most notably Samuel F. B. Morse, inventor of the telegraph.

The claims made for Hill and his commercially unavailable secret process drew both skepticism and wrath from some professional photographers, who believed that clients were putting off having their pictures taken until they could be Hillotyped in color. In 1851, photographer Daniel DeWitt Tompkins Davie, then-president of the Association of Daguerreotypists, assembled an investigating team that pronounced Hill's invention "a delusion."[3]

In 1856, Hill wrote A Treatise on Heliochromy, a book that promised to reveal his secrets at last. It was available only by advance subscription for $25 a copy,[3] an exorbitant price at that time (in contemporary US gold coins, well over an ounce of pure gold). Davie obtained a court order banning the sale of Hill's book on the grounds that it libeled him and his committee, with the result that most of the edition was pulped.[3] The few surviving copies show that the book consists of a rambling autobiography, a history of photography, a cookbook for many other processes, and finally a recipe for making Hillotypes that is so chemically complicated it is practically unworkable.[3]

Hill died in 1865 at the age of 48, possibly a victim of his long and incautious exposure to the many extremely poisonous and corrosive chemicals involved in his experiments.

Subsequent research

In 1981, photography professor and historian Joseph Boudreau compounded the archaic chemistry and replicated the techniques described by Hill in A Treatise on Heliochromy. Boudreau was able to create Hillotypes that distinctly and verifiably showed muted reproductions of many of the colors in the test subjects photographed, including red, green, blue, yellow, magenta and orange; these colors were all produced by the action of light alone, without the application of dyes or pigments.[4]

A chemical analysis of Hill's plates by researchers affiliated with the National Museum of American History,[5] conducted in 2007, found that pigments had indeed been used to enhance the colors in some Hillotypes, but that this accounted for only some of the photographs' color. They found that reds and blues had for the most part been genuinely (if crudely) reproduced photographically, but that other colors had been fraudulently added.[6] Getty Conservation Institute senior scientist Dusan Stulik, who performed the analysis with colleague Art Kaplan, concluded that “[a]fter pressure mounted to produce additional colors ... Hill began adding additional pigments to his color plates by hand, doctoring them to look more multi-hued than the originals." [7]

References

  1. ^ Levi L. Hill
  2. ^ Solbert, Oscar N.; Newhall, Beaumont; Card, James g., eds. (May 1952). "The Misadventures of L.L, Hill" (PDF). Image, Journal of Photography of George Eastman House. 1 (5). Rochester, N.Y.: International Museum of Photography at George Eastman House Inc.: 2. Archived from the original (PDF) on 14 July 2014. Retrieved 22 June 2014.
  3. ^ a b c d Backer, Wm. B. (1980). "Are These The World’s First Color Photographs?" American Heritage, 31:4 (June–July 1980). Retrieved 10 July 2014.
  4. ^ Boudreau, Joseph. Color Daguerreotypes: Hillotypes Recreated. Pioneers of Photography: Their Achievements in Science and Technology. Springfield, VA: The Society of Imaging Science and Technology, 1987, distributed by the Northeastern University Press.
    *As cited in Lienhard, John (1997). "Hill's Color Photography". The Engines of Our Ingenuity. Radio program.
  5. ^ "Smithsonian's National Museum of American History Receives Grant to Study One of Photography's Biggest Historical Mysteries". (September 27, 2006). National Museum of American History. Press release.
  6. ^ Greenfieldboyce, Nell (October 31, 2007). "Smithsonian Unravels Color Photography Mystery". All Things Considered. Radio program.
  7. ^ 19th-Century Photographic Controvery [sic] Finally Resolved, ARTINFO, October 30, 2007, retrieved 2008-05-19
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