Linus
Lieutenant junior grade Linus was a male  Starfleet sciences division officer who served aboard the  in the mid-23rd and late 32nd centuries.

Starfleet career

Member of the USS Discovery 

At the time of the arrival of Captain Christopher Pike, Commander Nhan, and Lieutenant Evan Connolly from the , Linus was sick, sneezing on Connolly in a turbolift ride to the bridge. ()

He was later present on the bridge when Ensign Sylvia Tilly was taking her spot in the Command Training Program, only to be distracted by . Along with the rest of the bridge crew, Linus looked puzzled as to why it appeared she was talking to no one. ()

While present at a briefing on the Red Angel, Linus apologized that Discoverys universal translator was still having difficulty translating Saurian into Federation Standard. He proceeded to explain that there was no known analogs to the images of the Red Angel.

When Discovery was pulled out of warp by a large, , Linus assisted Commander Michael Burnham with analyzing the sphere.  He reported that the sphere was approximately 100,000 years old. ()    

Linus was eating bamboo while sharing a meal and discussion with fellow Discovery crewmembers Joann Owosekun, Keyla Detmer, Nilsson, and Paul Stamets. Jett Reno joined them and challenged them to an autoantonym game, reminding Linus he was "0-for-3" so far and asking him if he was ready for "another round". Linus replied he was "hatched ready". During this exchange, Reno called Linus by the nickname "Bamboo Boy". ()

Linus was one of the crewmembers who volunteered to stay on Discovery and accompany Commander Michael Burnham into the 32nd century. Based on the testimonies of the  senior officers following the battle near Xahea, Starfleet had presumed him as dead. ()

32nd century 
After arriving in 3189, Linus assisted in repairs of the EPS relay system. He informed Commander Nhan that the grid on Deck Six had been repaired and she directed him to report to Deck Eight for additional repairs.  asked about Linus's visual spectrum, which he stated was 74,000 nanometers. Georgiou then volunteered to accompany him to Deck Eight, though it was a ruse so she could leave the ship to find Saru and Sylvia Tilly. ()

Linus was eating in the mess hall when United Earth Defense Force inspectors transported aboard. ()

Linus had more trouble than most crew members learning to use the personal transporters provided by the Federation once Discovery tracked down its headquarters. Attempting to beam to the mess hall, he found himself instead in the captain's chair on the bridge. Later he unintentionally beamed into a turbolift occupied by Burnham and Cleveland Booker, having meant to go to the science lab. ()

Prior to Discoverys mission to , Linus was confined to his quarters due to his annual shed. Linus was working when Booker and Burnham returned to Discovery with the Steward of the 's, Kyheem, and his son . Leto called Linus a "lizard", but according to Burnham, he would allow the child to take a piece of his skin. () Following Discoverys hijacking and return to Federation Headquarters, Linus wore the updated  on the Bridge when Burnham was promoted first took command of Discovery. ()

In 3190, Linus was present in dress uniform for the re-opening of Starfleet Academy, and was assembled with the Discovery bridge crew when Federation President Laira Rillak thanked them for everything they left behind to travel to the future. ()

Later that year, Linus was temporarily indisposed due to having to spend time under a heating lamp. Ensign Adira Tal was assigned to his bridge station during Discoverys mission into the subspace rift left by the Dark Matter Anomaly. ()

Personal interests
Linus played the piano. ()

Appendices

Appearances

Background information
Linus was played by regular guest actor David Benjamin Tomlinson.

According to the Star Trek Adventures - Discovery Campaign Guide, Linus' real name might be Lss't-kel'sar. The book describes the Saurian language as consisting of clicks, chirps and growls, explaining that Saurians pick a name from Federation Standard that they would like to be called. Lss't-kel'sar (Linus) is listed as one of the example names.

External links
 
 

Saurians
Starfleet sciences personnel
USS Discovery personnel