John Montroll is an American origami artist, author, teacher, and mathematician. He has written many books on origami. Montroll has taught mathematics at St. Anselm's Abbey School in Washington, D.C. since 1990. John Montroll is respected for his work in origami throughout the world. His published work has significantly increased the global repertoire of original designs in origami. The American origami master is known for being the inspiration behind the single-square, no cuts, no glue approach in Origami. **Source**: [John Montroll](https://en.wikipedia.org/wiki/John_Montroll) on Wikipedia