Gerald Aungst calls himself a “curiosity engineer”, teaching enrichment, gifted support, and makerspace classes at Cheltenham Elementary School in Pennsylvania and the author of 5 Principles of the Modern Mathematics Classroom: Creating a Culture of Innovative Thinking, available from Corwin. He is also an adjunct lecturer with the Belin-Blank Center at the University of Iowa. In more than 25 years as a professional educator, Gerald has served as a classroom teacher, curriculum designer, professional developer, and administrator specializing in gifted education, mathematics, and digital technology. He is an organizer of Edcamp Philly and co-creator of AllAboutExplorers.com. You can find more of his work on MyEdExpert.