Dan Bakken
One of the great mirror makers of our time, creater of Hercules, the largest portable telescope in the world (41.25 inch f/4). Includes info on building large alt-az telescopes.

Mel Bartels
Computerize your Dobsonian! Innovation by a telescope maker extraordinaire. Includes lots of articles, images, diagrams, and software to download.

Brad Snowder
Astrophotography and Travel Photos.