Lemuel Gaumon was a remembrancer, specifically a Societal Behaviourist 1a assigned to the 28th Expedition Fleet, Specifically the Thousand Sons, during the Great Crusade. His natural psychic ability was identified by Magnus the Red and Gaumon later became a neophyte of the Thousand Sons under the tutelage of Ahzek Ahriman. Gaumon was last noted to be fleeting the Prospero system as the Space Wolves fleet arrived on orders from the Emperor to eradicate the Thousand Sons Legion for treason.
Lemuel Gaumon was a native of Terra. Prior to becoming a remembrancer, Gaumon was a wealthy business man from Mobayi where he lived on a sizeable estate with his wife Malika. Gaumon attributed his financial successes to his ability to read people's auras. This gave him the ability to accurately determine the truthfulness of financial offerings from other parties. When his wife became incurably ill, Gaumon refused to accept her mortality and began to conduct research outside of the mainstream. This led him to what was described as more esoteric methods of treatment. Upon the passing of his wife, Gaumon joined the Remembrancer order and petitioned to join the Thousand Sons Expedition. Gaumon commented that his reasoning for joining the Thousand Sons was their rumoured sorcerous abilities and their own history of using these abilities to cure their mutations. Gaumon reasoned that he could learn how to bring his wife back from the grave.1b.
Gaumon was present with the Thousand Sons Legion during their investigation into the mysteries of Twenty-Eight Sixteen. It was during this time period that Gaumon's natural psychic abilities were recognized by Magnus and assigned to Ahriman for further training in the ways of the warp. Gaumon was initially reluctant to admit to possessing these abilities as psykers were not well regarded in the Imperium. 1c He also joined the Thousand Sons during their campaign alongside the Word Bearers and Space Wolves on Ark Reach Secundus. 1d. He travelled with the fleet to Ullanor and Nikaea however did not witness the activities on those planets first hand.
During his time with the 28th Expedition, Gaumon became close friends with fellow remembrancers Camille Shivani and Kallista Eris. He also became acquainted to a degree with Mahavastu Kallimakus the personal remembrancer of Magnus. While not on campaign, Gaumon resided on Prospero conducting research for the Thousand Sons.
Gaumon became aware of the impending invasion of Prospero by the Space Wolves after his friend Kallista Eris had told him of her visions of the future event. After receiving the warning from Eris, prophesying the destruction of Prospero, Gaumon along with fellow remembrancers Camille Shivani and Mahavastu Kallimakus snuck aboard the Cypria Selene and were in the process of departing the Prospero system as the Space Wolves arrived. His fate is unknown. 1e
1: A Thousand Sons by Graham McNeil
- 1a Dramatis Personae
- 1b Chapter 24
- 1c Chapter 5
- 1d Chapter 12
- 1e Chapter 26