2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50127Lenny Susskind has made many important contributions to theoretical physics during the past 35 years. In this talk I will discuss the early history of string theory (1968-72) emphasizing Susskind's contributions.10 pages; Presented at Symposium for L. Susskind's 60th BirthdayHigh Energy Physics - Theorytext