About Rendra
Willibrordus Surendra Broto Narendra, widely known as Rendra or W. S. Rendra, was an Indonesian dramatist, poet, activist, performer, actor and director. In 1969 he created a series of dramas without any dialog where actors employed their bodies and simple sounds such as "bip bop", "zzzzz" and "rambate rate rata". After a period of study at New York City's American Academy of Dramatic Arts he founded the Bengkel Teater in 1967.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.