1773-1856 1857-1939 admirals agostino bassi biography biological blaschka botanicalillustration catalogs communicablediseasecontrol communicablediseases diplomats diseaseoutbreaks food fraud glassblowingandworking history juvenileliterature leopold louis microbiologists microbiology microorganisms models naval pasteur pasteurization plants robertwilson rudolf scientists shufeldt territorialexpansion unitedstates vaccination