Linus was a second-century Christian cleric who served as the second bishop of Rome. Born in Volterra, Tuscany, to Herculanus and Claudia, he became a companion to the apostles Peter and Paul. Following the leadership of his predecessors, he oversaw the early church in Rome from approximately 68 to 80. As a successor to Peter, he is recognized for establishing the roles of the first fifteen bishops and implementing specific liturgical practices within the growing community.