William Nicholson Jennings
Illustration — William N. Jennings, First Photograph of Lightning, taken September 2, 1882, Philadelphia William Nicholson Jennings (1860–1946) was a photographer active in Philadelphia from the 1890s. He conducted experiments with color photography and artificial lightning, helping in the development of photographic flash. • Illustration — Kromogram color photograph of Ida Saxton McKinley, first lady of the United States from 1897 to 1901, taken by Jennings and Frederic E. In 1890 together with Arthur W. Goodspeed he was photographing electric sparks and brush discharges at the University of Pennsylvania, and tried to use a Crookes tube. On February 22nd he noticed disks of unknown origin on one of his plates but nobody could explain them, and the image was forgotten.
Also recorded as William N. Jennings
William Nicholson Jennings

Frederic Eugene Ives / William Nicholson Jennings · Sipley, Lous Walton. (1951) A Half Century of Color p. 21 · Public domain
- Born
- 1860 · Yorkshire.
- Died
- 1946
- Nationality
- United States
- Occupation
- photographer
- Honours
- John Price Wetherill Medal
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Illustration — William N. Jennings, First Photograph of Lightning, taken September 2, 1882, Philadelphia William Nicholson Jennings (1860–1946) was a photographer active in Philadelphia from the 1890s. He conducted experiments with color photography and artificial lightning, helping in the development of photographic flash. • Illustration — Kromogram color photograph of Ida Saxton McKinley, first lady of the United States from 1897 to 1901, taken by Jennings and Frederic E. In 1890 together with Arthur W. Goodspeed he was photographing electric sparks and brush discharges at the University of Pennsylvania, and tried to use a Crookes tube. On February 22nd he noticed disks of unknown origin on one of his plates but nobody could explain them, and the image was forgotten.
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Only after the discovery of X-rays by Roentgen did Goodspeed and Jennings realize that this was an accidental X-ray photo.
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Reception and standing
The scholarly and documentary record stands as follows. Recorded as having received John Price Wetherill Medal.
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Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.William N. Jennings scrapbook, photographs, and negatives, 1882-1937. dla.library.upenn.edu.
- 2.Mulligan, Therese. Historia de la fotografia de 1839 a la actualidad : The George Eastman House Collection. Taschen. cop. 2010. 978-3-8365-2541-1.
- 3.Capturing “Jove’s Autograph”: Late Nineteenth-Century Lightning Photography and Electrical Agency – Panorama: Journal of the Association of Historians of American Art.
- 4.William N. Jennings. The Franklin Institute. 2014-01-14.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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