Charlize Theron is a South African-born actress, best known for her roles in such films as North Country and Monster, for which she won an Academy Award.
American actor and director Justin Theroux is known for his role on the TV series Strangers with Candy, as well as film roles in Tropic Thunder, Your Highness and Wanderlust, among several other productions.
During the mid-1980s to early 1990s, actor Alan Thicke played one of television’s most beloved sitcom dads, psychiatrist Jason Seaver on Growing Pains.
Robin Thicke is a singer/songwriter and reality-television star known for major soul hits like "Lost Without U," "Magic" and "Sex Therapy."
Actress Tiffani Thiessen caught her big break when she landed a starring role on the TV sitcom Saved By the Bell. She's also known for her work on Beverly Hills, 90210 and White Collar.
Clarence Thomas is the second African-American justice to serve on the Supreme Court of the United States. He was appointed in 1991 and leans conservative.
Dave Thomas is best known for founding the Wendy's hamburger restaurant chain. He became the company's TV spokesman in 1989.
Debi Thomas was a figure skater who went on to become the first African-American to win an Olympic medal at the Winter Olympics.
Writer Dylan Thomas is best known for the poem "Do Not Go Gentle Into That Good Night," the play "Under Milk Wood," and for his heavy drinking.
Helen Thomas was the first female member of the White House press corps and the United Press International’s first female White House bureau chief.
Henry Thomas played Elliott in E.T. the Extra-Terrestrial in 1982, followed by roles in such widely acclaimed films as Legends of the Fall (1994), All the Pretty Horses (2000) and Gangs of New York (2002).
Isiah Thomas is generally regarded as one of the best point guards in the history of basketball. He played for the Detroit Pistons.
Actress Marlo Thomas starred on the 1970s television hits That Girl and Free to Be...You and Me. She is married to Phil Donahue.
One of the Twelve Apostles, St. Thomas or “Doubting Thomas” was initially skeptical about Jesus’ resurrection, but later proclaimed Jesus, “My Lord and My God.”
Ahmir Khalib Thompson, also known as Questlove, is known as a founding member of the hip-hop/neo-soul group the Roots.
Outspoken and ambitious, Dorothy Thompson became a well-known journalist during the 1930s to the 1950s.
Academy Award–winning actress Emma Thompson starred in films like Howards End, Sense and Sensibility and Nanny McPhee.
A counterculture icon, Hunter S. Thompson was an American journalist best known for writing 1971's Fear and Loathing in Las Vegas and creating "Gonzo journalism."
"Queen Pin" Jemeker Thompson rose to the top of the cocaine trade during the peak of the 1980s crack epidemic in Los Angeles.
Kenan Thompson is an American actor and comedian known for his work on Saturday Night Live and various films roles. His film credits include Fat Albert, Barbershop 2 and Snakes on a Plane.
J.J. Thomson was a Nobel Prize winning physicist whose research led to the discovery of electrons.
American essayist, poet, and practical philosopher, Henry David Thoreau was a New England Transcendentalist and author of the book Walden.
Educational psychologist E.L. Thorndike pioneered the fields of animal learning and behavioral psychology with his theory of connectionism.
Billy Bob Thornton is an American actor and director known for roles in such films as Monster's Ball and Sling Blade.
Australian Olympic swimmer Ian Thorpe won the most gold medals of any Australian athlete, and was the youngest to win a world championship. He went on to win 10 more.
Jim Thorpe was a Native American professional football and baseball player, known for his all-around athleticism. He was a gold-medal runner at the 1912 Olympics.
Willie Thrower was a pioneer for African Americans in football, the first to play quarterback professionally.
Republican John Thune won the 2004 Senate election against Democrat Tom Daschle to become senator of South Dakota.
Uma Thurman is an actress known for roles in such films as Kill Bill and its sequel and Pulp Fiction.
Strom Thurmond served as a U.S. senator for South Carolina from 1956 to 2003, during which time he switched from Democrat to Republican due to his opposition to the 1964 Civil Rights Act. He resigned from the Senate at age 100—becoming the oldest congressman in U.S. history.
Pharaoh Thutmose III was the warrior king of Egypt’s 18th and largest dynasty. During his reign, he reestablished Egyptian rule of Syria and Palestine.
Chinese golfer Guan Tianlang became the youngest player in Masters history when he teed off at the 2013 tournament at age 14 years and five months.
Tiberius was an ancient Roman emperor who ruled from year 14 to 37.
All-American model Cheryl Tiegs appeared in numerous photo shoots with high profile magazines like Vogue, Elle, and Sports Illustrated, in the 1970s.
Actress Gene Tierney had a rocky start in Hollywood, but is best known for her role as a memorable murder victim in the 1944 film Laura.
Entrepreneur Charles Tiffany co-founded Tiffany & Young, which later became the premier jewelry store Tiffany & Co.
Son of Tiffany & Co. founder Charles Tiffany, Louis Tiffany was an internationally renowned glass maker and a leader of the Art Nouveau movement.
Tiffany was a 1980s teen-pop sensation best known for her hit "I Think We're Alone Now."
The murder of 14-year-old Emmett Till on August 28, 1955 galvanized the emerging civil rights movement.
Football player Pat Tillman enlisted in the U.S. Army in 2002. He was killed in action in 2004, and the exact circumstances of his death are still in question.
Tiny Tim was a singer and musician who had a hit with “Tip Toe Through the Tulips With Me” and guest-starred on shows like Laugh-In and The Tonight Show.
Timbaland is a rapper and music producer known for smash hits like "Cry Me a River," "4 Minutes," "The Way I Are" and "Give It to Me."
Singer Justin Timberlake got his start on The New Mickey Mouse Club and made it big with boy band 'N Sync, before becoming a solo singer and budding actor.
Jeff Timmons is the founding member of the popular 1990s, Grammy Award-nominated boy band 98 Degrees, known for such hit songs as "Because of You" and "I Do (Cherish You)."
Titus was Roman Emperor from 79-81 AD who--during his short reign--completed the Colosseum and dealt with the eruption of Mount Vesuvius.
Mary Todd Lincoln was the wife of Abraham Lincoln, the 16th president of the United States.
Irish author Colm Tóibín is famous for literary works about Irish society, creativity and homosexuality. His most popular novels include The Blackwater Lightship and The Master.
J.R.R. Tolkien is an internationally renowned fantasy writer. He is best known for authoring The Hobbit and the Lord of the Rings trilogy.
Russian author Leo Tolstoy wrote the acclaimed novels War and Peace, Anna Karenina and The Death of Ivan Ilyich, and still ranks among the world's top writers.
Oscar-winning actress Marisa Tomei has starred in a number of successful films, including My Cousin Vinny, In the Bedroom and The Wrestler.
Lily Tomlin is an actress and comedian known for roles on TV shows such as Laugh-In and films such as Nashville.
Irish republican and rebel Wolfe Tone led a French military force to Ireland during the insurrection of 1798.
Toni Braxton is an R&B singer-songwriter and actress best known for the hits "Un-Break My Heart," "You Mean the World to Me" and "Breathe Again."
Poet, novelist and short-story writer Jean Toomer was a major figure during the Harlem Renaissance. He is best known for his first book, Cane.
As a member of the Monkees, Peter Tork achieved big pop music success in the 1960s, with such hits as "Daydream Believer" and "Last Train to Clarksville."
Mel Torme was a singer, jazz vocalist, and composer active from the 1940s-1990s. He also wrote biographies of Judy Garland and Buddy Rich.
Dara Torres is an American swimmer who has taken home 12 Olympic medals and will seek more at the age of 45 in the 2012 Summer Olympic Games in London.
Pastry chef Jacques Torres is best known for his mastery of cooking and baking with chocolate. He is often referred to as "Mr. Chocolate" and owns seven chocolate shops.
Peter Tosh was a renowned reggae artist and founding member of the band the Wailers, which gave reggae artist Bob Marley his start.
Charles Townshend, 2nd Viscount Townshend of Raynham, was an 18th century British secretary of state who became known as "Turnip Townshend" for his agricultural innovations.
Pete Townshend is best known as the guitarist and songwriter for the band the Who as it grew to be one of the most influential bands of the 1960 and '70s.
Spencer Tracy was one of Hollywood's greatest film stars. He appeared in 75 films from 1930 to 1967 and was nominated for five Academy Awards, two of which he won.
Santo Trafficante is best known for running casinos in Cuba, prior to Castro's revolution.
Sam Trammell's most recognizable role to date is playing Sam Merlotte on HBO's True Blood.
American country singer Randy Travis opened the door to young artists who sought to return to the traditional sound of country music. His 1986 album, Storms of Life, landed at No. 1 on the U.S. albums chart.
John Travolta is a Golden Globe-winning actor whose breakout role was in "Saturday Night Fever." He had a career revival in Quentin Tarantino's "Pulp Fiction."
Mexican pop superstar Gloria Trevi's career fell apart in the 1990s when she and her manager were accused of corrupting minors, sexual abuse, and kidnapping.
Travis Tritt is a country music performer known for his bluesy, rock-and-roll-inspired songs.
Communist Leon Trotsky helped ignite the Russian Revolution of 1917, and built the Red Army afterward. He was exiled and later assassinated by Soviet agents.
William Monroe Trotter was a Harvard-educated journalist and activist who championed equal rights for African Americans.
Verne Troyer first came to fame as Mini-Me in the popular 1999 comedy Austin Powers: The Spy Who Shagged Me with Mike Myers.
Pierre Trudeau was the 15th prime minister of Canada, famous for his youthful energy, his stance against a separate Quebec and suppressing violent revolt.
French director François Truffaut established the New Wave movement in film. He won an Oscar for his 1972 film, Day for Night.
Rafael Trujillo was a dictator of the Dominican Republic for decades. He was assassinated in 1961.
Sworn in as the 33rd president after Franklin Delano Roosevelt's sudden death, Harry S. Truman presided over the end of WWII and dropped the atomic bomb on Japan.
Margaret Truman, daughter of Harry Truman, became a singer and writer in her own right.
Donald Trump is a real estate mogul and billionaire. He is also owner of Trump Plaza and host of the NBC reality series, The Celebrity Apprentice.
Ivana Trump was once the glamorous wife of real estate mogul Donald Trump.