Bruno Lowagie is the original developer and one of the current maintainers of iText, a Free/Open Source Java-PDF library.
He's the author of "iText in Action", the first book about iText. He co-owns the Belgian Company 1T3XT bvba, the home of iText. He combines his job at Ghent University (Belgium) with his work for iText Software Corporation (California). Bruno was a speaker at T-DOSE in 2006.

Links:
F/OSS library: http://1t3xt.com
Documentation: http://1t3xt.info
Commercial: http://itextsoftware.com