MORE ON KNST & THE "DUCK AND COVER" ADS

These ads are sponsored by Physicians for Civil Defense and that group has a Tucson mailing address:

Your tax-deductible contributions can be mailed to:
Physicians for Civil Defense,
1601 N. Tucson Blvd. #9,
Tucson, AZ 85716

PCD seems to be another wingnut group if one can judge by some of the links provided:

An Open Letter to Michael Chertoff World Net Daily 8/12/2005

"The Good News about Nuclear Destruction" by Shane Connor - World Net Daily - 8/24/2006 article