The correspondents are:
File 1: Department of Health and Human Services, Dr. Sergio Montilla Haro, Michael Hardy, Klaus Zu Kampen (Harenberg Kommunikation), Dr. Robert M. Harrington, Dr. Bernard A. Harris, Robert S. Harris, Sheikh Hasina (Prime Minister, Bangladesh), Professor Sheng He, Professor Wang Heng and Professor Zhu Youwen, Dr. Richard Henderson, Virginia Hippisley-Cox [for additional correspondence filed under 'Cox' see file PP/CRI/J/1/6/3], and Dr. Ching Elizabeth Ho.
File 2: Proceedings of the National Academy of Sciences (re Patrick R. Hof), Brian Hogan Memorial Appeal, Professor J. Rogers Hollingsworth, Robin Holliday, H. John Holt, Heinz Horeis, John Houser, Hilton Stowell [misfiled as 'Howell'], David H. Hubel, Patrick Hughes, Dr. Anya C. Hurlbert, Dr. Graeme K. Hunter, and Maria Vitale (director, Hypothesis, Milan) [for further correspondence with Hypothesis filed under 'Nobel' or 'Vitale' see files PP/CRI/J/1/6/13 and 23].
A letter detailing sensitive personal circumstances has been extracted to file PP/CRI/J/1/6/24.