Professor Kremer teaches courses in the history of science, medicine and technology. He earned his PhD in History of Science from Harvard and specializes in European science from the fifteenth through the nineteenth centuries and the history of scientific instruments. His books include The Thermodynamics of Life and Experimental Physiology (Garland 1990), a study of experiment in nineteenth-century medicine; Letters of Hermann von Helmholtz to His Wife, 1849-1859 (Steiner 1990), an edition of early letters by a leading German physicist and cultural icon; and a number of edited volumes, including Study, measure, experiment: Stories of scientific instruments at Dartmouth (Terra Nova Press, 2005); Johannes Kepler, from Tübingen to Zagan (Polish Academy of Sciences, 2009), Regiomontanus's Defense of Theon, ca. 1465-1475 (Dartmouth Library Digital Edition, 2010); Johann Hevelius and hs world (Polish Academy of Sciences, 2013); Scientific instruments on display (Brill, 2014). His work has been supported by grants from the Europan Research Council, National Endowment for the Humanities, National Science Foundation, Humboldt Foundation, and the Howard Foundation. In 2011, he was elected to membership in the International Academy of the History of Science.
"Incunable almanacs and practica as practical knowlede produced in trading zones." In The structures of practical knowledge, pp. 333-369. Ed. Matteo Valleiani. Berlin: Springer, 2017.
"Selling mathematical instruments in America before the printed trade catalog." In How scientific instruments have changed hands, pp. 171-211. Ed. Alison D. Morrison-Low, Sara Schechner and Paolo Brenni. Leiden: Brill, 2017.
"How do writings in the early astral sciences reveal mathematical practices and practitioners?" Special issue of Centaurus, 58/1-2 (2016), co-edited with Matthieu Husson.
"Playing with geometrical tools: Johannes Stabius's Astrolabium imperatorium (1515) and its successors." Centaurus, 58 (2016), 104-134.
The Copernican Revolution from Below; Alfonsine Astronomy in the Fifteenth Century: A Survey of Incunable Calendars and Almanacs ; On the Epistemic Significance of Writing in Rows and Columns: Tables in the History of Astronomy