Star Trek: The Original Series the 23rd century bearing a crew dedicated to exploring the Milky Way Galaxy. Roddenberry noted a number of influences on his idea, some of which includes A. E. van Vogt's tales of the spaceship "Space Beagle", Eric Frank Russell's "Marathon" series of stories, and the film "Forbidden Planet" (1956). Some have also drawn parallels with the television series "Rocky Jones, Space Ranger" (1954), a space opera which included many of the elements that were integral to "Star Trek"—the organization, crew relationships, missions, part of the bridge layout, and some technology. Roddenberry also drew heavily from C. S. Forester's Horatio Hornblower
Star Trek: The Original Series realizations of the franchise adhered to the "Wagon Train" paradigm of the continuing journey, with the notable exception of the serialized "", "", and the of "". In Roddenberry's original concept, the protagonist was Captain Robert April of the starship S.S. "Yorktown". This character was developed into Captain Christopher Pike, first portrayed by Jeffrey Hunter. April is listed in the "Star Trek Chronology", "The Star Trek Encyclopedia" and at startrek.com as the "Enterprise"s first commanding officer, preceding Captain Christopher Pike. The character's only television/movie appearance is in the "" episode "The Counter-Clock Incident" In April 1964, Roddenberry presented the "Star