After young CSI Holly Gribbs was murdered on her first day in the field, he lost his position to Grissom.

They are both seen at her house at night, with Grissom approaching her in an intimate way, then it cuts to the next scene where they are both having tea during the day, wearing different clothes.

The character Gus Griswald in the popular children's TV show Recess is named after Grissom ( his fictional father is a General in the US Army and Gus is his recruit ).

Estranged from his birth father Vernon Grissom and with his mother's and grandfather Alvis Aiken's permission, at the age of 19 he legally changed his surname from Grissom to his mother Faye's maiden name, Aiken.

" His repertoire also included impressions of celebrities and well-known figures, including Al Gore, Bob Barker, John Kerry, Dr. Phil, Bill O ' Reilly, Maury Povich, Chris Martin, Steve Jobs, Mel Gibson, Chris Hansen, Roy Horn, Ozzy Osbourne, John Ramsey, Freddie Prinze, Jr., J. K. Simmons ( as Mac McGuff, Juno's father ), William Petersen ( as Gil Grissom ), Jack Coleman ( as Noah Bennet ), Hugh Laurie ( as Gregory House ), Hugh Beaumont ( as Ward Cleaver ), Sarah Jessica Parker ( as Carrie Bradshaw ), Dr. Drew, Adam Sandler, Howie Mandel, Dick Cheney, Clint Eastwood, Gray Davis, Simon Cowell, JC Chasez, Bruce Jenner, Michael Richards, Chris Burke, Charlie Sheen ( as Charlie Harper ( Two and a Half Men )), David Schwimmer ( as Ross Geller ), Jeff Probst, Tim Gunn ( Project Runway ), Howard K. Stern, Tommy Lee, Bob Goen, Criss Angel, Jeff Foxworthy, Saddam Hussein, Matthew Good, Daniel Powter, Larry David, Barry Gibb, Eddie Vedder, and Brad Garrett.

His father died when Grissom was 9 years old.

Grissom began his racing career as a youth, working on cars with his father Wayne, who was a sponsor of short track drivers in their homestate of Alabama.

Grissom made his Busch Series debut in 1986 at the Freedlander 200, in the # 31 Oldsmobile owned by his father.

Grissom died while putting the finishing touches on Gemini: A Personal Account of Man's Venture Into Space ; he had been heavily involved in the engineering of the spacecraft.

White died along with fellow astronauts Gus Grissom and Roger Chaffee during a pre-launch test for the first manned Apollo mission at Cape Kennedy.

Chaffee died along with fellow astronauts Gus Grissom and Ed White during a pre-launch test for the Apollo 1 mission at the then-Cape Kennedy Air Force Station, Florida, in 1967.

It is the birthplace of astronaut Gus Grissom, who flew on Liberty Bell 7, Gemini 3, and died in a launch pad fire at Kennedy Space Center in 1967.

* April 3-Gus Grissom ( died 1967 ), astronaut.

Also of interest is a memorial to native resident of Mitchell, Gus Grissom, one of the original Mercury Seven astronauts, who died in the Apollo 1 accident.

Grissom has received positive responses from critics, ranking number 82 on Bravo's 100 Greatest TV Characters list, along with Catherine Willows.

In the episode " Grissom Vs. the Volcano ," Catherine tells the story of losing at a science competition as a child against a " kid with some lame red ants ".

His relationship with Warrick Brown had aspects of a mentor / student bond, but out of all the CSIs ( Catherine included ), Grissom seemed to view Warrick as his successor, the one who would lead when he was gone.

Some fans have always expected to see a relationship between Grissom and Catherine Willows, in whom he is shown confiding many times, once even likening her to being his " wife ".

Catherine has many times encouraged Grissom to be more open and less self-absorbed, and to pursue something with Sara Sidle.

Catherine joined the CSI team at LVPD as a lab technician, after which she worked her way up to the role of supervisor under the watchful eye of Gil Grissom.

Catherine Willows is listed as number 82 on Bravo's 100 Greatest TV Characters, along with Gil Grissom, her mentor on the show.

Adams was revealed to have resigned as a result of Catherine's poor management and lack of teamwork ; when Catherine reveals this to Sara, Sara reminds Catherine that Grissom had her ( Catherine ) as a number two, prompting the promotion of Nick Stokes to Assistant Supervisor.

You work with Catherine Willows for discovering the link between the suspect, Grissom and another victim's death you thought you had solved.

Willows maintains a close friendship with the other investigators on the night shift, especially Grissom, though she has occasionally criticizes him for his lax attitude toward paperwork and office politics.

After Grissom goes on sabbatical, Willows welcomes his temporary replacement Michael Keppler, accepting Keppler quite quickly into his new role on the team ( episode 712, " Sweet Jane ").

* The CSI episode " Lab Rats " ( 2007 ), Grissom uses Matthews ' condition as an analogy in describing The Miniature Killer, a serial killer obsessed with bleach.

She also appeared in the CSI episode " What's Eating Gilbert Grissom?

* In the CSI: Crime Scene Investigation episode 1x11, Gil Grissom was seen to own a Big Mouth Billy Bass placed above his office door because its motion sensor was better than a watch dog.

* The Dead Zone as Jeffrey Grissom ( 1 episode, 2003 )

CSI: Crime Scene Investigation producer and writer Carol Mendelsohn considers Grissom the center of the show, and in the first seven years of the show he appeared in every episode, with the exception of " Hollywood Brass ", from season five, " Gum Drops " and " The Unusual Suspect " from season six, and " Sweet Jane " and " Redrum " from season seven.

Although Petersen has confirmed that Grissom will not return to the show as a regular, he did reprise his role for an uncredited appearance in the season eleven episode " The Two Mrs. Grissoms.

Gil Grissom first appears in CSI: Crime Scene Investigation on the pilot episode.

This episode was originally going to be how Grissom was convinced that an abduction victim was still alive.

Later in the episode Nick also reveals that he lost a science competition and Grissom tells him to let it go.

The case closed, Grissom, having already had a series of one-on-one farewells with his co-workers, silently left the crime lab and departed for Costa Rica for a reunion with fiancee Sara Sidle, an allusion perhaps to his comments in a season one episode that when he left, people would not throw a party for him, because he was not the sort of person who people would get deeply involved with.

In the season 2 episode Alter Boys, Grissom confides in a priest that he does not believe in the concept of organized religion and is a lapsed Catholic, but does believe in the idea of God.

In the sixth season episode " Bang-Bang ," Grissom tells Doc Robbins, concerning a woman shot in the mouth, " This was someone who was emotionally close to her.

Rather, this is a reference to the episode Lady Heather's Box, in which she reminds Grissom that the submissive is in control ; Grissom tells her when they begin kissing, " You can always say stop ," and she replies, " So can you.

A sizzling moment between Grissom and Sara Sidle on the CSI: Crime Scene Investigation ( season 4 ) | 4th season episode " Invisible Evidence ".

This has been denied by the writers, Carol Mendelsohn even said that she has never been able to see Grissom with someone else other than Sara and that this episode was seen by the writers as the right time to reveal the relationship, Jorja Fox and William Petersen have also admitted that the relationship is not new.

Consequently, Sara Sidle is submerged into depression after her kidnap in the season seven finale, and, even though she accepts Grissom's marriage proposal on the season's fourth episode, she shows signs of burnout during the subsequent episodes, breaking down on the season's seventh episode, leaving Las Vegas and the CSIs with only a goodbye letter for Grissom and a good luck note for Ronnie Lake.

Sara's return to CSI in the first episode of Season Ten reveals that she and Grissom are now married.

She leaves at the conclusion of the second episode of the season, after having a thinly veiled argument with Grissom while dealing with the distraught husband of a victim whose case she had worked eight years prior.

Grissom joins her in Costa Rica in the tenth episode of season nine.

Consequently, Sara Sidle is submerged into depression after she is abducted in the season seven finale ( she is rescued in the first episode of the new season ), and, even though she accepts Grissom's marriage proposal on the season's fourth episode, she shows signs of burnout during the subsequent episodes, breaking down on the season's seventh episode, leaving Las Vegas with only a goodbye letter for Grissom in which she tells him she loves him-also kissing him out of the blue in front of another colleague-and a good luck note for Ronnie Lake ( played by Jessica Lucas ).