Career
Under the pseudonym Rideamus, Oliven went from being a lawyer to a successful author As a lyricist, librettist and revue composer, he worked with Oscar Straus, Walter Kollo, and Eduard Kuennke and wrote for the great hall revues. Some of these works include the operetta Der Vetter von Dingsda and the revue Noch und Noch.
As a Jew, he decided to immigrate to Brazil in 1939.
In 1951, the autobiography Rideamus, From He Himself, The Story of a Jovial Life was published.