Robert James Lang (born May 4, 1961) is an American physicist who is also one of the foremost origami artists and theorists in the world. He is known for his complex and elegant designs, most notably of insects and animals. He has studied the mathematics of origami and used computers to study the theories behind origami. He has made great advances in making real-world applications of origami to engineering problems. **Source**: [Robert J. Lang](https://en.wikipedia.org/wiki/Robert_J._Lang) on Wikipedia