Jason Sylvester is a historical researcher and writer, and the Digital Media Director for Atheist Alliance International. He manages their blog, hosts their podcast, and oversees digital outreach to a global audience. Sylvester's research has drawn praise from A.C. Grayling, Brook Ziporyn, and others. His style is precise, engaging, and unsparing. Similarly, Professor Ziporyn of the University of Chicago School of Divinity was so impressed with this book that he has collaborated on a new book with Jason Sylvester, translating Brook's advanced scholarship into a volume accessible to the public.

