Mathematics
Logic
Scientist
International Dark Sky Association, 3225 N 1st Ave, Tucson, AZ 85719, USA
No associations
LandOfFree
J. Duffek does not yet have a rating. At this time, there are no reviews or comments for this scientist.
If you have personal experience with J. Duffek, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and J. Duffek will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-P-677176