Hall S. Lusk (D) : date_of_successors_formal_installation : March 16, 1960 | Richard L. Neuberger (D) : reason_for_change : Died March 9, 1960 | Oregon (2) : vacator : Richard L. Neuberger (D) | Oregon (2) : successor : Hall S. Lusk (D)
The successor was installed on march 16th, 1960 for reason "died march 9, 1960."