Ralph Waldo Emerson | Ralph Lauren | Ralph Nader | Ralph Vaughan Williams | Ralph Fiennes | Ralph Steadman | Ralph Macchio | Ralph Bunche | Ralph Bakshi | Ralph Richardson | Ralph Stanley | Ralph McTell | Ralph Ellison | Ralph Jordan | Ralph | Ralph Abercromby | Ralph Molnar | Ralph Records | Ralph Peterson, Jr. | Ralph Klein | Ralph H. Fowler | Ralph Tresvant | Ralph Moore | Ralph Wilson | Ralph Terry | Ralph "Shug" Jordan | Ralph Peterson | Ralph Percy, 12th Duke of Northumberland | Ralph Inzunza | Ralph Darling |
Important artists who marked the history of the theater and the scenography participated and exposed at the Prague Quadrennial, such as Salvador Dalí, Josef Svoboda, Oscar Niemayer, Tadeusz Kantor, Guy-Claude François and Ralph Koltai, as well as figures of the contemporary theater, such as Robert Wilson, Heiner Goebbels and Renzo Piano.