John Calvin (1509-1564). French theologian, one of the most important reformers of the 16th century. Portrait. Image taken from Icones, id est verae imagines virorum doctrina simul et pietate illustrium additis eorundem vitae et operae descriptionibus; quibus adiectae sunt nonnullae picturae, quas emblemata vocant. Ms. notes. Originally published in Apud I. Laonium: Geneva, 1580.