Laszlo Bardos is a high school mathematics teacher and website author. He holds a degree in engineering and a master's degree in business administration. He is the author of the website CutOutFoldUp.com, a site of mathematical models that you can make out of paper. He collected interesting math models and tidbits since he was a kid. As a teacher, he saw the value of having students build and manipulate models to visualize math concepts

Samuel Carbaugh: Sam Carbaugh is a freelance cartoonist and illustrator. He has worked with many colleges and companies to create informational comics and illustrations.