Bruce Foster at www.paperpops.com. Bruce specializes in terrific 3D pop-ups.

Andy Baron at andy@popyrus.com. Andy specializes in amazing pull-tab mechanisms.

Petrina Case at petrinacase@gmail.com. Her website is www.geocities.com/petrinahub. Petrina specializes in llustration and paper engineering.

Mary Beth Cryan at cryandesign@cox.net. Her website is marybethcryan.com. Mary Beth specializes in illustration and paper engineering.

Iain Smith is a paper engineer in the UK. He can be found at http://www.papersmyths.com.