<P> Seneca's plays were widely read in medieval and Renaissance European universities and strongly influenced tragic drama in that time, such as Elizabethan England (William Shakespeare and other playwrights), France (Corneille and Racine), and the Netherlands (Joost van den Vondel). English translations of Seneca's tragedies appeared in print in the mid-16th century, with all ten published collectively in 1581 . He is regarded as the source and inspiration for what is known as "Revenge Tragedy," starting with Thomas Kyd's The Spanish Tragedy and continuing well into the Jacobean era . Thyestes is considered to be Seneca's masterpiece, and has been described by scholar Dana Gioia as "one of the most influential plays ever written ." Medea is also highly regarded, and was praised along with Phaedra by T.S. Eliot . </P> <P> Works attributed to Seneca include a dozen philosophical essays, one hundred and twenty - four letters dealing with moral issues, nine tragedies, and a satire, the attribution of which is disputed . His authorship of Hercules on Oeta has also been questioned . </P> <P> Fabulae crepidatae (tragedies with Greek subjects): </P> <Ul> <Li> Hercules or Hercules furens (The Madness of Hercules) </Li> <Li> Troades (The Trojan Women) </Li> <Li> Phoenissae (The Phoenician Women) </Li> <Li> Medea </Li> <Li> Phaedra </Li> <Li> Oedipus </Li> <Li> Agamemnon </Li> <Li> Thyestes </Li> <Li> Hercules Oetaeus (Hercules on Oeta): generally considered not to be written by Seneca . First rejected by Heinsius . </Li> </Ul>

Who wrote works praising one of the other philosophers who left no writings