Today, we take international collaborations as a necessity, but 150 years ago, when travel was not so convenient, it involved an enduring and time-consuming challenge. This paper presents letters and reports written by German physicist Julius Plücker to his wife, Antonie née Altstädten describing his travels to Great Britain and France between 1853 and 1866. These letters provide a view into how international collaboration and communication were developed and maintained as well as how friendships were built within the scientific community during the early industrial age, prior to telegraph, telephone, email, and internet.
ABSTRACTAt the end of the 1920s, Tanganyika Territory experienced several serious rodent outbreaks that threatened cotton and other grain production. At the same time, regular reports of pneumonic and bubonic plague occurred in the northern areas of Tanganyika. These events led the British colonial administration to dispatch several studies into rodent taxonomy and ecology in 1931 to determine the causes of rodent outbreaks and plague disease, and to control future outbreaks. The application of ecological frameworks to the control of rodent outbreaks and plague disease transmission in colonial Tanganyika Territory gradually moved from a view that prioritised 'ecological interrelations' among rodents, fleas and people to one where those interrelations required studies into population dynamics, endemicity and social organisation in order to mitigate pests and pestilence. This shift in Tanganyika anticipated later population ecology approaches on the African continent. Drawing on sources from the Tanzania National Archives, this article offers an important case study of the application of ecological frameworks in a colonial setting that anticipated later global scientific interest in studies of rodent populations and rodent-borne disease ecologies.
Information on the origins of the Accademia del Cimento is extremely limited. Almost all of the surviving correspondence relating to the year before the Academy began its activities variously concerns print culture. Lists of books (read, studied, purchased, and researched), handwritten notes on old or new publications, vernacular translations of edited passages, and inquiries about new works punctuate the archive. The study of these lists and of the relationship between reading practices and ones related to annotation and knowledge production leads to a reinterpretation of certain aspects of the Accademia del Cimento, suggesting the pursuit of a more flexible agenda.Through the analysis of some book lists, this contribution aims to shed light on the presence in Florence of interconnected groups of scholars, common epistemic practices, and a kind of methodological unity centred on the sharing of materials and agreement concerning the need to subject theories to experimental verification.
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