Louis Agassiz and the Classification of Brazil’s Fish

Drawing of "Sudis Pirarueú" from Agassiz et al., Selecta Genera et Species Piscium Brasiliensium, Tabula XVI.

Louis Agassiz (1807–1873) was a young student at the University of Munich when Johann von Spix and Carl Friedrich von Martius returned from their expedition to Brazil. Among the many items and specimens the German naturalists brought back were fish. The methodology they had followed on their journey through what was then part of the Portuguese Empire was typical of naturalists in the field: They observed, collected, and in some cases classified. Then, back in Europe, they studied the amassed material. Their journey through the exuberant and unfamiliar natural environment had lasted three years (1817–1820). In this geographical and temporal context, the fish and marine species were rarities that few scientists could address with authority within the framework of European natural history. The observant naturalists were nonetheless able to classify species unknown in Europe while also learning about these species’ natural environments.

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Blogging Histories of Knowledge in the Context of Digital History

A little article about this blog that I wrote with Kerstin von der Krone is now open access. See “Blogging Histories of Knowledge in Washington, D.C.,” in “Digital History,” ed. Simone Lässig, special issue, Geschichte und Gesellschaft 47, no. 1 (2021): 163–74. The abstract reads:

The authors reflect on their experiences as the founding editors of the History of Knowledge blog. Situating the project in its specific institutional, geographical, and historiographical contexts, they highlight its role in scholarly communication and research alongside journals and books in a research domain that is still young, especially when viewed from an international perspective. At the same time, the authors discuss the blog’s role as a tool for classifying and structuring a corpus of work as it grows over time and as new themes and connections emerge from the contributions of its many authors.

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Social Media as a Distinct Form of Knowledge Production

When I started blogging in 2016, I had not been an active reader of blogs. I liked the idea of reaching out to a broader public by blogging about my research project on the eponymously titled Migration and Belonging, not least because it was publicly funded, but what exactly would it mean to blog as a historian? How often would I need to upload a post and on what? Would I be able to handle the technical requirements? What pictures could I use? And how about other social media? I have been blogging and tweeting for some four years now. In 2017, I also began using Instagram for scholarly communication. Here I reflect on my experiences with academic blogging and other social media as a distinct form of producing knowledge—some meta-blogging, if you will.

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Public and Scientific Uncertainty in the Time of COVID-19

As historian of science Lorraine Daston recently remarked, COVID-19 has thrown us back into a state of “ground-zero empiricism.” The manifold manifestations of COVID-19 and the many unknowns involved are provoking scientific speculation that is often based on nothing more than chance observations and personal anecdotes. The radical uncertainty of the current situation, writes Daston, has catapulted us back to the seventeenth century, with almost everything up for grabs, “just as it was for the members of the earliest scientific societies—and everyone else—circa 1660.”1

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Viral Hive Knowledge: Twitter, Historians, and Coronavirus/COVID-19

We are all historians of the present. At least we should be. Many fellow historians of knowledge are currently using a wide variety of media to share their experience and research in an effort to put the global response to the COVID-19 pandemic into context. Twitter is one medium where this conversation is especially lively, as Eileen Sperry has noted on Nursing Clio, a wonderful group blog that is also active on Twitter. One can find these parts of Twitter by searching for the relevant hashtags, for example, #histmed (history of medicine) and the much more generic #twitterstorians (historians on twitter).

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Organizing and Communicating Historical Knowledge: Some Personal Observations

In my initial academic encounters with Germany in the late 1980s and early 1990s, one of the things that impressed me was the availability of handbooks as well as specialized encyclopedias such as Geschichtliche Grundbegriffe. The textbook series Oldenbourg Grundriss der Geschichte was a new experience for me.[1] Each volume offered a concise, chronologically organized survey (with key terms in the margins for rapid orientation), followed by a substantial historiographical discussion and bibliography. At the time, I did not appreciate the massive effort behind such compilation and systematization efforts. I just found these tools were quite practical for orienting myself in a given historical subject. Why didn’t we have such useful tools in the United States?

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