User:Dicklyon

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Dick Lyon

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.


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.

People[edit]

Photography and optics[edit]

Photometry and colorimetry[edit]

Electronics and signal processing[edit]

Math, science, engineering, inventors[edit]

Miscellaneous[edit]


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