Gary Seven was the name used by Supervisor 194 of the mysterious alien group known as the Aegis. He was a human male, born on a cloaked planet in System Zeta Gamma 537 in 1932, the descendant of humans captured by the Aegis circa 4000 BC, in order to train them as agents to aid in the development and survival of humanity. (TOS episode: "Assignment: Earth"; TOS novel: The Eugenics Wars)
Seven was sent back to Earth in 1968 to complete the work of Agent 201 and Agent 347, who were killed in an automobile accident. Before reaching Earth, his transporter beam was intercepted by the USS Enterprise, who were orbiting Earth on a research mission. Seven managed to escape to the agents's New York City apartment.
With assistance from his aides Roberta Lincoln and Isis, and in spite of hindrance from Captain James T. Kirk, Seven managed to stop mankind from launching into a nuclear war. (TOS episode: "Assignment: Earth")
The two agents were responsible for preventing Professor Tepesch from brainwashing John F. Kennedy and Jacqueline Kennedy, as well as apprehending the Watergate burglars in Washington, DC. (TOS novel: Assignment: Eternity)
- This is in reference to British television series The Avengers, specifically the episode "The Cybernauts".
In the 1970s, the incident at the Three Mile Island nuclear facility was lessened by their intervention, as was an incident that involved the crashing to Earth of Skylab. (TOS novel: Assignment: Eternity)
In 1989, Seven and Lincoln prevented an alien incident from causing a planetwide panic as a unknown extraterrestrial landed in the USSR, as reported by TASS. TASS also reported that the USSR lost 20-30 Hind-24 gunship/assault helicopters fighting the lone UFO. 
On stardate 6021.4 in 2269, Seven created a wormhole that brought the Enterprise from Federation space into Romulan space. Seven ended up stuck on a planet used as the base of operations for Agent 146 (a.k.a. Septos) with James T. Kirk, Hikaru Sulu and Pavel Chekov and without other assistance. Later, assistance was found in the form of Seven's associate, the tiger-like, rhinoceros-like Osiris. (TOS novel: Assignment: Eternity)
Romulan agent Commander Dellas killed Septos, and then Osiris, before Seven could stop her. When Dellas later attempted to kill Spock at the Khitomer Conference in 2293, Seven sent her into the past with his servo. Seven told Kirk he knew Dellas as she was the only Romulan who covered her face at the Conference. (TOS novel: Assignment: Eternity)
- Sarek revealed that all the Freelans at the Khitomer Conference covered their faces.
The Eugenics WarsEdit
Seven once assisted the scientists later dramatized in the 1973 film The Andromeda Strain.
The next day, Seven hired a "today only" secretary to cover Lincoln's duties. This woman was called Allison and was not privy to the true work done by the agents.
By May 18, Seven had infiltrated Sarina Kaur's Chrysalis Project, but gotten caught and locked in an animal cage. When Kaur activated Seven's servo, Lincoln answered the hail, blowing both their covers. Later that day, Seven escaped the cage and destroyed Chrysalis. Kaur refused to leave and so died with her project.
On November 1, 1984, Seven took Khan away from the riots caused by Indira Gandhi's assassination, after which Khan told Seven he owed Seven a debt. Seven returned Khan back to India two days later, but recruited Khan for a mission on December 2 of that year to the Da Vinci Research Base in Antarctica to visit Wilson Evergreen. Evergreen resented the visit and attacked Khan, who stabbed him to death in response. After Evergreen got up unharmed (being Akharin, aka Flint), he was told by Seven that his research had been modified by his sponsors to create, and not close, holes in the ozone layer.
On October 10, 1986, Seven and Khan infiltrated Vladimir Lenin's tomb in Moscow, but Seven was captured by the guards. Khan then rescued him, repaying his debt. That evening, Lincoln mentioned Seven's friend, Robert McCall.
After Khan began his visions of world domination on December 4, 1984, Seven encrypted the collected and encrypted data on Chrysalis held by the Beta 5 computer, though this later proved futile. In the 1990s, through Roberta Lincoln, Seven had advanced technical data funneled to Project F at Area 51 in order for them to complete the creation of the DY-100 transport. This was partly because Seven intended to use the craft as a means of sending the last remnants of humanity to a new world in case he failed to stop World War III. Furthermore, he was heavily involved in the shadowy conflict of the Eugenics Wars that was being waged by the various genetically engineered supermen from the Chrysalis Project which included Khan Noonien Singh. He used information and intelligence sent to him by Isis, who was disguised as Khan's advisor Ament, to force the various supermen to fight against one another, thus destroying each one of them in turn except for Khan himself. With Khan the last survivor and the world against him, Singh intended to use his Morning Star satellite weapon to destroy the Earth's ozone layer and exterminate the entire human race as a result. However, Seven had Roberta Lincoln steal the DY-100 prototype and used it to exile Khan and his followers from the planet in exchange for the deactivation of Morning Star. Though Khan agreed and had his followers board the SS Botany Bay, Joaquin Weiss, his bodyguard, resisted and threw a dagger at Roberta Lincoln. However, Isis turned to her human form and jumped in the way of the blade, thus sacrificing her life for Lincoln. This left Gary Seven greatly saddened and bitter, as he believed that he should have left all the genetically engineered children of Chrysalis to die with the project instead of saving them. Though Khan offered the life of Joaquin, Seven refused to take another being's life and instead allowed Khan to depart the planet. This saw the end of the Eugenics Wars in the year 1996. (TOS novel: The Rise and Fall of Khan Noonien Singh, Volume 2)
Afterwards, Roberta Lincoln asked if they had unleashed Khan on the Universe, to which Seven replied that the cosmos had survived things far worse than Khan Noonien Singh. He later informed his protégé that he was leaving and intended for her to be his replacement to guard the planet Earth. At the time, a mist of purple light unveiled a tomcat that Gary Seven revealed was Roberta's partner, Ramses. He later departed the planet in order to get time to mourn the death of Isis, whom he believed deserved better than the grim death she had received. (TOS novel: The Rise and Fall of Khan Noonien Singh, Volume 2)
On September 11, 2001, Seven prevented Shaun Christopher from boarding one of the planes which crashed into the World Trade Center in New York City. As a result, Christopher survived to command the first manned mission to Saturn aboard USS Lewis & Clark in 2020, a pivotal event in the history of human space travel. (TOS short story: "Assignment: One")
Seven later used his time-travel abilities to visit the 23rd century. He journeyed to the starship Enterprise over the planet Sycorax on stardate 7004.2 where he gave his own opinion about the UFP's debate over the entry of the genetically engineered inhabitants of the Paragon Colony. Seven explained to James T. Kirk the dangers of genetically enhanced beings and his belief that it was not DNA that decided a person's values but their teachings and morals. Afterwards, he once more departed into a purple mist for parts unknown. His words had a great impact on Captain Kirk, who decided that the Paragon Colony would not be admitted into the Federation but instead face a quarantine, and that they would gain protection but would otherwise be isolated from the rest of the Federation. (TOS novel: The Rise and Fall of Khan Noonien Singh, Volume 2)
Physical health and descriptionEdit
Having a textbook intelligence quotient of almost 200, Seven was at the peak of human, non-augmented performance. He was able to tolerate and resist a Vulcan nerve pinch. (TOS episode: "Assignment: Earth")
Seven was the result of genetic engineering and augmentation by the Aegis. (TOS novel: The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 1)
Even in later years, his vitals matched those taken more than twenty years earlier, by Doctor McCoy. Fluent in many domestic and extra-terrestrial dialects, Gary was able to comprehend and reply (in English mostly) to Isis, and later Osiris.
The writers of his episodic appearance showed Gary Seven's knowledge of extraterrestrial events, as evident when he recognizes Spock as a Vulcan, stating aloud that Humans and Vulcans have yet to meet, in 1968. Later sources established that Gary's Aegis masters extend their operations throughout time, meaning that their time travelers would have foreknowledge of the eventual first contact at Bozeman, Montana in the 21st century.
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