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This editor is a Lord High Togneme Vicarus and is entitled to display the Book of All Knowledge: 2nd Edition.
Dick Lyon

Hi, I'm Dick Lyon. I am a research scientist/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 More recent research pubs are found here. And don't forget my always-popular Otis King pages.

And now I'm an author; so buy my book if you're interested in Human and Machine Hearing.

Contributions to the Wikipedia[edit]

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.


From my recent (late 2016, early 2017) trips:


Photography and optics[edit]

Photometry and colorimetry[edit]

Electronics and signal processing[edit]

Math, science, engineering[edit]


Panorama of the Hetch Hetchy aqueduct, December 2016
Panorama of Apple Campus 2 under construction, July 2016


Panorama of Stein am Rhein in late afternoon sunlight, stitched for me by Laurence