claim: Sennacherib's designated successor was his son Esarhaddon.
evidence: Raymond Herbert Stetson -LRB- died 4 December 1950 -RRB- was an American speech scientist at Oberlin College .. speech scientist. speech scientist. Oberlin College. Oberlin College. In 1928 he published an influential book called Motor Phonetics  : A Study of Speech Movements in Action .