The River Divides into Thousands of BranchesMain MenuPreface and AcknowledgmentsPart I: That the genetic material is DNA is established and becomes widely acceptedPart II: The structure of DNA reveals how the genetic material is duplicatedPart III: DNA is shown to be a linear code for proteinsPart V: Messenger RNA is Discovered and the Genetic Code is CrackedPart VI: Three Technologies Revolutionized Molecular BiologyEpilogueAppendix: A Nobel Incubator