Taught wetplate workshops, written articles for national magazines, moderated the Collodion.com website, started the Flickr Petzval group, researched, studied, and written about several antique lens designs, done wetplate demos, shot wetplates of a a local Yoga group twice for their website. Done photography chemistry reviews for Bostick and Sullivan, published several training courses....Um, I could go on and on. But this is just in the arena of photography.....I'm a busy man. What have you done again, besides buying cameras?