By the end of the eighteenth century, Buenos Aires was one of the major commercial entrepots of the Spanish American empire. Chief among the beneficiaries of the new prosperity of the area were the wholesale merchants, a group of men who came to control the commerce of the entire Viceroyalty of Rio de la Plata. This study, a contribution to the fields of social history and group biography, looks at the formation of the merchant group, and at the social...