From Heisenberg to Einstein? Recollections and afterthoughts on the birth of string theory
arXiv:0801.4694
Abstract
A few recollections and afterthoughts on the development of the string picture of fundamental interactions out of the S-matrix program.
Contribute to the collective volume "The birth of String Theory", edited by A. Cappelli, E. Castellani, F. Colomo and P. Di Vecchia