In the magazines America was still deep in the Great Depression and Jimmy Christopher was a secret agent, codename "Operator No. 5" for the United States Intelligence in a series of fast paced stories about America's enemies who pledged war, death and bloody destruction in their efforts to take over America.
Smooth Operator | Switchboard operator | switchboard operator | Mobile network operator | Color Line (ferry operator) | amateur radio operator | Air operator's certificate | operator | Independent Electricity System Operator | David Hughes (bulletin board operator) | Australian Energy Market Operator | Amateur radio operator | Virtual Network Operator | Vehicle and Operator Services Agency | Tour operator | telephone operator | self-adjoint operator | operator (programming) | Operator-precedence parser | Operator overloading | Operator (mathematics) | mobile phone operator | mobile network operator | Fixed-base operator | fixed-base operator | D'Alembert operator |