The Donald A. Henderson Collection contains materials documenting the World Health Organization’s global smallpox eradication program during the years that Henderson was the Chief Medical Officer for that campaign. The bulk of these are correspondence and grey literature. There are also documents pertaining to awards received by Henderson; transcripts of talks given by Henderson during the years he was Dean of the school of public health; newspaper clippings and press releases about Henderson and about the school of public health during his deanship; and a small set of documents pertaining to Henderson’s publications.