A Biography of the Ocean Gladiator
Ralph Negrine is professor of political communication at the University of Sheffield.
Christina Holtz-Bacha is professor of communication of the University of Erlangen-Nürnberg, Germany.
Paolo Mancini is professor of communication at the University of Perugia, Italy.
Stylianos Papathanassopoulos is professor of media organization and policy at the National and Kapodistrian University of Athens.