To what extent did the debate on the orangutan contribute to the global Enlightenment? This article focuses on the first 150 years of the introduction, dissection, and public exposition of the so-called ‘orangutan’ in Europe, between the 1630s, when the first specimens arrived in the Netherlands, and the 1770s, when the British debate about slavery and abolitionism reframed the boundaries between the human and animal kingdoms. Physicians, natural historians, antiquarians, philosophers, geographers, lawyers, and merchants all contributed to the knowledge of (...) the orangutan, while also reshaping the boundaries of humanity: when the human/animal divide narrowed, the divide between ‘savage’ and ‘civilized’ peoples crystallized, becoming wider than in any previous period. (shrink)