Get in touch with Martin Wilson, the creator of the Johannes Kepler and IdeaMill, and submit your Kepler related lessons, sites, videos, images and other resources in order to help spread the word for the genius mathematician.
Get in touch with Martin Wilson, the creator of the Johannes Kepler and IdeaMill, and submit your Kepler related lessons, sites, videos, images and other resources in order to help spread the word for the genius mathematician.