Weston Lesko

Dr. Weston Lesko is a scientist living in Grayditch in Fallout 3.

Background
Lesko is responsible for creating the fire ants that carried off or killed almost everyone in Grayditch. He was experimenting on giant ants, trying to return them to their normal size through genetic manipulation when he accidentally created the fire ants using the local F.E.V., Batch 11-111 which he found somewhere around the Capital Wasteland. Despite the death and destruction his experiments caused, Lesko has remained indifferent to the lives lost, stating, "At the cost of a few, generations shall be saved".

Daily schedule

 * Until the quest Those! is completed, Lesko can be found deep underground in the Marigold Station. He will usually be in his laboratory outside the hatchery, or he might flee a short distance into the hatchery itself.
 * Lesko will not return to his shack until Those! is fully completed. This means the Lone Wanderer must also find a home for Bryan (or refuse to do so) and receive the experience points for this quest before Lesko will return to his shack.

Quests

 * Those!: Doctor Lesko requires the Lone Wanderer's help to regain control of his experiment. If the Lone Wanderer has a high enough Science skill and Intelligence, an additional dialogue option appears when asking Lesko about his experiments. When chosen, Lesko reveals that he has been using F.E.V. in his experiments. An additional dialogue option will also appear if the Lone Wanderer has chosen the Entomologist perk, which upsets the doctor slightly.
 * Nectar Collecting for Fun and Profit: After completion of "Those!", Lesko will pay for samples of fire ant nectar. Be aware that entering Doctor Lesko's shack will be considered trespassing, even though the Lone Wanderer might have to enter it to give him some nectar. Stay there for too long, and both the protectron and Doctor Lesko will open fire on the Lone Wanderer.

Behind the scenes

 * Lesko is named after James R. Lesko, a character from the film Phase IV, who is also a scientist who has to deal with "ant problems."
 * If Lesko turns hostile, he may shout, "I will blind you with science!" - a possible reference to the Thomas Dolby song, She Blinded Me With Science.

Appearances
Weston Lesko appears only in Fallout 3.