Allan Brito is a Brazilian architect, specialized in information visualization. He lives and works in Recife, Brazil. He works with Blender 3D to produce animations and still images, for visualization and instructional material. Besides his work with Blender as an artist, he also has wide experience in teaching and researching about 3D modeling, animation, and multimedia.

He is an active member in the Blender users community, writing about Blender 3D and its development for websites in Brazilian Portuguese (http://www.allanbrito.com) and English (http://www.blender3darchitect.com and http://www.blendernation.com). Besides his two blogs, he has written three books about Blender, in both English and Brazilian Portuguese, covering topics such as architectural visualization, mechanical modeling, and general Blender guides.

To know more about the author, visit the website http://www.blender3darchitect.com, where he covers the use of Blender and other tools for architectural visualization.

Martin Poirier is a software developer with a Master's Degree in Computer Graphics, specialized in character animation and simulation. He's been involved with the FOSS Blender project since early 2003, soon after its open source debut, working on plenty of things here and there, but mostly on the transformation system. Lately, he has been developing a distributed rendering solution for Blender animations.

Martin has reviewed and contributed to the official Blender 2.3 Guide. He is also contributing to the wiki version of the Blender Manual (occasionally).