Jack Park is a founding member of the XTM Topic Maps in XML authoring group. He was a senior scientist with VerticalNet Solutions in Palo Alto, CA, where he was actively engaged in the development of knowledge representation systems in support of online B2B communities. His discovery program entitled The Scholar's Companion(R) has been used to develop knowledge bases in advanced research on hyperbaric immunology. He is the lead developer of an XML Topic Maps-based knowledge management system on the Web at http://nexist.sourceforge.net, and is active in the development of Open Hyperdocument Systems technology with the Bootstrap Alliance.
Sam Hunting is the principal of eTopicality, Inc., a consultancy whose service offerings include topic maps, content analysis, and DTD development. He was a founding member of TopicMaps.Org, which developed the XML Topic Maps (XTM) specification. He is a coauthor of the XTM 1.0 DTD and a cofounder of the GooseWorks project for creating open source topic map tools. He can be reached at http://www.etopicality.com.