Keir David Peters Gilchrist, born on 28 September 1992, is a talented Canadian actor known for his roles in television and film. He gained recognition for portraying Marshall Gregson in the Showtime comedy-drama United States of Tara and as the lead in the Netflix comedy-drama Atypical. Gilchrist's notable film credits include It's Kind of a Funny Story and It Follows. Aside from acting, he is also a vocalist for the grindcore band Whelm and the death metal band Phalanx. Gilchrist's early life took him from London to Boston, New York City, and eventually settling in Toronto, Ontario. His journey to success began with his role as Josh McKellar on Fox's The Winner and later as Craig Gilner in It's Kind of a Funny Story. He continued to impress with roles in films such as The Stanford Prison Experiment and The Good Neighbor. Gilchrist's portrayal of Sam Gardner in Atypical, a teen on the autism spectrum, earned him critical acclaim and a dedicated fan base. His multifaceted talent and diverse career make him a notable figure in the entertainment industry.

James Keir Hardie (1856–1915) was a Scottish trade unionist, politician, and founding member of the Labour Party. Born in Lanarkshire, he began working at the age of seven and later became a prominent figure in the labor movement. Hardie's background in preaching and his talent as a public speaker earned him recognition as a spokesman for fellow miners. He was elected leader of a miners' union, organized national conferences, and led strikes in Lanarkshire and Ayrshire. Hardie's political journey saw him initially supporting the Liberal Party before concluding that the working class needed its own representation. He won a seat in Parliament as an independent candidate and later played a crucial role in forming the Independent Labour Party and the Labour Representation Committee. In 1906, he became the first parliamentary leader of the Labour Party. Throughout his career, Hardie advocated for various causes, including women's suffrage, self-rule for India, and opposition to World War I. He is widely regarded as a key figure in the history of the Labour Party and has been the subject of numerous biographies. His legacy as a pioneering figure in the labor movement and his unwavering dedication to social justice continue to inspire generations.

Keir Alexander Mather, born in 1998 in Kingston upon Hull, is a British Labour politician and Member of Parliament (MP) for Selby. He has been serving as an Assistant Government Whip since July 2024. Mather's interest in politics dates back to his school days, where he actively engaged with various political figures. He pursued his higher education at the University of Oxford, graduating with a first in History and Politics before obtaining a Master of Public Policy (MPP) degree at University College. Mather's career journey includes working as a researcher for The Times journalist, a public affairs adviser for the Confederation of British Industry, and a parliamentary researcher for Labour MP Wes Streeting. In his parliamentary career, he made headlines by winning the MP seat for Selby and Ainsty in 2023, becoming the youngest serving MP at the time. Mather's political views include supporting Labour leader Keir Starmer's policy on the two-child benefit and his stance on the Brexit referendum. Despite his young age, Mather has been actively involved in addressing various issues affecting his constituents, such as the cost of living crisis, insufficient SEND provision, rural crime, and underperforming NHS services.

Keir Giles, born on January 26, 1968, is a renowned British writer and an expert on the Russian military. With a focus on the geopolitical conflict between the West and Russia, he has authored several influential books, including "Russia's War on Everybody" and "Moscow Rules: What Drives Russia to Confront the West". Giles has contributed significantly to the discourse on Russian security issues and the Armed Forces of the Russian Federation. He has held key positions at prestigious institutions such as the Conflict Studies Research Centre and Chatham House. Giles' expertise extends to commentary on Russian-related issues, including the Russo-Ukrainian War and hybrid warfare. Notably, he played a crucial role in uncovering a fictitious LinkedIn profile, shedding light on the prevalence of AI-generated personas. His insightful analysis and commentary on the Russian military, including its significant transformation over the years, have cemented his reputation as a leading authority on the subject. Keir Giles continues to be a prominent figure in the field, contributing valuable insights and analysis to the ongoing discussions surrounding Russia's military and geopolitical strategies.

Keir S. Thomas, born on January 25, 1998, is a professional American football linebacker for the Los Angeles Rams of the National Football League (NFL). He began his football career at Miami Central Senior High School, showcasing his talent in various defensive positions and earning several accolades. Thomas then committed to the University of South Carolina and later transferred to Florida State, where he demonstrated his skills on the field. Despite facing challenges like injuries, he persevered and excelled, making significant contributions to his team. Following his college career, Thomas joined the NFL as an undrafted free agent and signed with the Los Angeles Rams. His determination and impressive performance during training camp earned him a spot on the Rams' final roster. Throughout his professional journey, Thomas has displayed resilience and dedication to his craft, earning recognition for his contributions to the sport.