...if you could recommend any “seminal” documents on the free culture philosophy (or however you describe someone with your POV), I’d appreciate it.
My take on this is that, while some people find Richard Stallman off-putting in various ways, and I can understand why some people wouldn't think rms is a good person to, say, keynote an ed-tech conference, I think Stallman's writing (well, I guess some of this isn't 100% his work) on the Free Software Foundation's website is your best primary source on the philosophy of the free software movement.
In particular for Doug:
- The GNU Manifesto
- The Free Software Definition
- The Right to Read
- Did You Say "Intellectual Property"? It's a Seductive Mirage
Those are all short.
Also, Mako's writing has influenced my thinking quite a bit: