Francesco Quatrini is Senior Assistant Professor in Early Modern History at the University of Florence. He is the author of Adam Boreel (1602–1665): A Collegiant's Attempt to Reform Christianity (2021) and I sociniani. Una chiesa ereticale in lotta con la cristianità (1563–1638) (2023). He is currently working on a monograph on the Dutch Collegiant movement.Freya Sierhuis is Senior Lecturer at the Department of English and Related Literature of the University of York. She is the author of The Literature of the Arminian Controversy: Religion, Politics and the Stage in the Dutch Republic (2015) and the co-editor of Passions and Subjectivity in Early Modern Europe (2013) and Fulke Greville and the Literary Culture of the English Renaissance. She is currently working on a monograph on the Dutch poet and playwright Joost van den Vondel (1587–1679)