Book of Proofs ist a private initiative. Information according to § 5 German Telemedia Act:
| Name: | Andreas Piotrowski |
| Address: | An der Grüngeseweide 3, 65760 Eschborn, Deutschland |
| Phone: | 03212 - 2677999 |
| Fax: | 03212 - bop7999 |
| Email: | andreas(.)piotrowski(@)bookofproofs(.)org |
