Thad McKracken is a spirit medium, writer and musician.
Facebook: https://www.facebook.com/thaddeus.mckraken
Twitter: https://twitter.com/thad_mckraken
His book Transmissions from out of time is here:
https://www.amazon.co.uk/Transmissions-Outside-Time-Thad-McKraken/dp/1530111323
Black science links are here:
