He is also remembered for playing himself , on the radio , in the final episode of `` M * A * S * H. '' In all , Pierpoint served as White House correspondent for six presidential administrations , from Eisenhower to Carter .
He is also remembered for playing himself , on the radio , in the final episode of `` M * A * S * H. '' Pierpoint served as White House correspondent for six presidents , from Eisenhower to Carter .