Written by Adobe Systems co-founder Dr. John Warnock in 1990, the Camelot Project describes the vision that became PDF.
Dr. Warnock created this PDF in 1995. It conforms with PDF 1.2, which explains the lack of accessibility features (introduced with PDF 1.4 in 2000).
Read about the history of this document, and the first PDF product, Adobe Acrobat, on Adobe's blog.
Published by Adobe Systems