Volume 72(5); Sep–Oct 1999 Foreword PMCID: PMC2579029 "The branches into which bacteriology is now ramifying" revisited. PMCID: PMC2579032 Welch, Sedgwick, and the Hopkins model of hygiene. PMCID: PMC2579023 Evolution of microbiology as seen in the textbooks of Edwin O. Jordan and William H. Park. PMCID: PMC2579028 Robert Earle Buchanan: an unappreciated scientist. PMCID: PMC2579024 Hans Zinsser: a tale of two cultures. PMCID: PMC2579027 Alice C. Evans: breaking barriers. PMCID: PMC2579030 One hundred years of presidents of SAB/ASM: the Rockefeller connection. PMCID: PMC2579033 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||