Len Bullard

Len Bullard is a veteran markup specialist currently employed by the Intergraph Public Safety Corporation and is a professional member of the Web3D Consortium Board of Directors. He has worked with VRML since its inception and in other disciplines in the last two decades. He is an author, a working musician and composer, was the founding director of the IrishSpace team that created the world's first VRML epic, and is the married father of two children. He records and publishes his own musical CDs. To contact Len, write him at or

Articles by this author

Extensible 3D: XML Meets VRML

A comprehensive introduction to X3D, the XML-based successor to the Virtual Reality Markup Language. This article explains the history of X3D, the tools available to use it, and provides an introduction to X3D's XML markup.