![](https://web.archive.org/web/20160707084628im_/https://upload.wikimedia.org/wikipedia/commons/3/3b/Book_of_Knowledge3.jpg)
This editor is a Looshpah Laureate of the Encyclopedia and is entitled to display this Book of All Knowledge with Secret Appendix, Free Errata Sheet, and Author's Signature.
Hi, I'm Dick Lyon. I am a research engineer in Silicon Valley, California. I've been contributing to Wikipedia since May, 2005.
Some of my work outside Wikipedia is linked on my techie home page dicklyon.com.
Contents
Contributions to the Wikipedia
My contributions are mostly related to photography, photometry, color, electronics, and signal processing.
Here I collect most of the pictures I've uploaded, including my own, public domain works, and works licensed by a few friends.
People
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Ugo Fano photo by Chris Greene
Photography and optics
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Infrared photography photo by Seng P. Merrill
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Rainbow photo by Seng P. Merrill
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Rainbow photo by Georges Noblet
Photometry and colorimetry
Electronics and signal processing
Math, science, engineering
Miscellaneous
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Chimayo photo by Andrea Stawitcke
Panorama of Stein am Rhein in late afternoon sunlight, stitched for me by Laurence