Hippocrates Noah was a holosuite character created for Julian Bashir's Secret Agent holographic program revolving around the espionage of Earth's nation-states during the Cold War of the 20th century. His henchmen included Falcon and Duchamps.
In 2372, Bashir was running the holo-program when the USS Orinoco was destroyed by a warp core breach during its return to Deep Space 9. The explosion of the runabout caused a massive power feedback in the station's power grid through the transporters, shutting down all but emergency power and forcing station personnel to store the transporter patterns of the runabout crew in the memory banks of the holosuite as an emergency measure. The result was that characters in the holographic program took on the physical characteristics of the crew of the runabout, including Benjamin Sisko, whose image replaced that of Noah.
In the context of the program, Noah was an "evil genius" who believed the decadence of the world had led to such a chaotic situation that a new beginning was necessary. He intended to kill all of Earth's population, save for those at his mountain retreat on the slope of Mount Everest (the highest point on the planet), where he had gathered the most brilliant scientists and artists from around the world. Strategically positioning powerful lasers at various locations, Noah planned to use them on the surface, producing massive fissures in the Earth's crust that would release millions of tons of molten lava. The end result would be a significant reduction in the surface area of the planet – "like letting air out of a balloon," as he described it – causing massive flooding. Noah's plan was foiled by Bashir with help from Honey Bare, who had taken the form of Jadzia Dax, and Elim Garak. Bashir's companion Anastasia Komananov (replaced by the image of Kira Nerys) wanted to kill Noah, but Bashir stopped her, fearing the holosuite would erase Sisko's image.