[1] He played an important role in the development of dual models and string theory.

[4][5] This idea led him to the conclusion that in this formalism one of the dimensions of spacetime appears to be dynamic.

The fundamental degrees of freedom propagated on a surface in one lower dimension thus giving a holographic theory.

He was elected a Fellow of the American Physical Society in 1989 "For important contributions to the theory of elementary particles.

Nominated by: Division of Particles and Fields" [6] This article about an American physicist is a stub.