In 1872, George Eliot asked readers of Middlemarch to consider how "red cloth and epaulets" played a role in Rosamund Vincy's romantic interest in the country doctor Tertius Lydgate. The passions, Eliot explained, did not reside in interior spaces: "Our passions do not live apart in locked chambers, but dressed in their small wardrobes of notions, bring their provisions to a common table and mess together, feeding out of the common store according to their appetite" (Eliot, 2015, p. 159). For Eliot, the passions are materially embodied, operate almost of their own accord, and, far from being confined within minds and bodies, circulate in the social arena. Her depiction of the passions is akin to the social and cultural frames of analysis at play in today's wide-ranging field of the history of the emotions-which draws from psychology and neuroscience, cultural and social history, as well as from the history of science. In this series of stimulating reflective essays, prominent scholars of emotion and its history address the challenges and rewards of interdisciplinarity, recent work in the field, and the many conceptions of "emotion"-a polyvocality that presents limitations as well as opportunities.Historians over the past decades have painstakingly documented the ever-changing terms associated with emotions, including the passions, appetites, affects, and sentiments, along with their accompanying religious and psychological meanings (Dixon, 2003;Rosenwein, 2006Rosenwein, , 2016. Cultural and social historians have calibrated emotion according to broad social trends, as well as among subsets of interlocutors in smaller emotional communities. In her contribution to this special section, medieval historian Barbara Rosenwein writes, "It is closer to the truth to think of cultures as containing a variety of emotional communities" (Rosenwein, 2021, p. 108). To understand the emotion of love in the troubadour community of 13th century Toulouse, for instance, she asks us to scrutinize the use of a vocabulary of words associated with the heart. The rich and varied expressions of emotion in literature, personal essays, everyday discourse, social media posts, letters, journals, and all manner of archival material, have formed conduits for historians to capture the changing nuances of emotion in a variety of communities in diverse historical and cultural settings.Just as George Eliot's red cloth and epaulets intimate rank and embody reverence and romantic interest, historian Katie Barclay suggests in her essay that emotion Editor's Note. This is an introduction to the special section "The History of Emotions." Please see the Table of Contents here: