Bunzl graduated from the University of Minnesota, from which he obtained a BA and a Ph.D. His early work dealt primarily with causation, in which he developed a deflationary account of causal overdetermination; what David Lewis called "Bunzl events".
[1] In the Philosophy of History, Bunzl's focus has been on the ontological commitments of historians, including their use of counterfactuals.
[2] Natalie Zemon Davis, author of The Return of Martin Guerre and Society and Culture in Early Modern France, has written of Martin Bunzl's Real History: [the book] "provides a breath of fresh air in writing on the philosophy and epistemology of history.
In language accessible to historians, philosophers, and the reading public more generally, he explores the questions posed by the various 'turns' of the post-war decades: deconstructive, linguistic, literary, anthropological, and quantitative.
"[3] With a specialty in the Philosophy of Science, he is the author of The Context Of Explanation,[4] Real History[5] and Uncertainty and the Philosophy of Climate Change,[6] and co-editor of Buying Freedom[7] and Foundational Issues in Human Brain Mapping,[8] as well as numerous scholarly articles.