George Washington Carver -- the original open source scientist? (: Discovered much, patented little, rotated crops, represented Missouri. (Go Cards. Um. Later.)
USDA has a coloring book tribute to the man...SWEET use of our tax dollars, actually. I mean it! I'd spend the $700 billion on hunger, education & fine arts, plus general health & environmental improvements if I had my 'druthers.
Here's a photo of the real deal...