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Lesko: Misc



Up to date as of February 01, 2010

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race: Human, Caucasian
role: Entomologist
location: Marigold Metro Station
appearances: Fallout 3
quests: Those!
Nectar Collecting for Fun and Profit
karma: Good
SPECIAL: 3ST, 6PE, 3EN, 4CH, 8IN, 6AG, 5LK
base id: 000307C8
ref id: 000393EB

Dr. Weston Lesko is a scientist living in Grayditch in 2277.



Lesko created 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. 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 complete, Lesko can be found deep underground in the Marigold Station.
  • Lesko will not return to his shack until Those! is fully completed. This means you must also find a home for Bryan and receive the experience points for this quest before Lesko will return to his shack.

Interactions with the player character

Main article: Those!

He is involved in the quest Those! which can be obtained from him or alternately you will be approached by Bryan Wilks who will trigger this quest.

Doctor Lesko's quest offers either Ant Sight or Ant Might as a reward, the player can choose between the two.

If the player 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 FEV in his experiments.

An additional dialogue option will also appear if the player has chosen the perk Entomologist, which however only upsets the doctor slightly.


Apparel Weapon Other item On death
Lesko's Lab Coat
Reading Glasses
10mm Pistol - Lesko's Portable Terminal Access
Lab Technician Outfit


  • Lesko can sometimes be killed by fire ants if you leave both doors to his office open. Close them after speaking to him to ensure he is not killed before you have completed his quest.
  • If you don't select the extra payment option during the quest, you cannot obtain Lesko's Lab Coat. Killing him after completing the quest will net just a loss of Karma. The clothing he has on him is just a normal Lab Technician Outfit.
  • If there are any hostiles in the area when first talking to him, exiting the dialogue will cause him to flee into the tunnels, thus getting killed by any nearby enemies.
  • If Lesko is attacked while in his shack, his Protectron will not become hostile.
  • If left alive, Lug-Nut may kill Dr. Lesko.
  • After the quest is complete, entering Doctor Lesko's shack will be considered trespassing, even though you might have to enter it to give him some Fire Ant Nectar. Stay there for too long, and both the robot and Doctor Lesko will open fire on you.
  • After the quest is completed, Lesko does not comment if you kill the Ant Queen, even if he is in the room when you do it. During the quest Lesko clearly tells you to not kill the Ant Queen


Lesko only appears in Fallout 3.

Behind the scenes

  • Lesko may be 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".

This article uses material from the "Lesko" article on the Fallout wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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