J.B.S. Haldane was a British geneticist who helped found the theories of population genetics.
Infamous murderer Jack the Ripper killed at least five London female prostitutes in 1888. Never captured, his identity is one of English's most famous unsolved mysteries.
Australian actor and producer Hugh Jackman is best known for playing Wolverine in the X-Men series. He's also known for parts in the films The Prestige, Australia and Les Miserables.
Andrew Jackson was the seventh president of the United States. He is known for founding the Democratic Party and for his support of individual liberty.
Bo Jackson came to fame in the 1980s as a multitalented athlete, who excelled in baseball, football, and track at an early age.
Glenda Jackson is best known for her Academy Award winning roles in Women in Love and A Touch of Class.
Jackie Jackson was the oldest member of the group Jackson 5, which included his four brothers Michael, Tito, Jermaine and Marlon Jackson.
The younger sister of Michael Jackson, Janet Jackson is one of the best-selling artists in contemporary history. Her albums include Control and Rhythym Nation.
Jermaine Jackson was a member of the Jackson 5 music group and brother to Michael Jackson.
Jesse Jackson is an American civil rights leader, Baptist minister and politician who twice ran for U.S. president.
Jesse Jackson Jr. is the son of the famous Reverend Jesse Jackson. He served as a member of the U.S. House of Representatives from 1995 to 2012.
J.J. Jackson was disc jockey, television personality and one of the first VJs (video jockeys) on MTV.
Joe Jackson was a top major league baseball player during the early 20th century who was ousted from the sport for his alleged role in game fixing.
Joseph Jackson is best known for being the father of of international pop superstar Michael Jackson.
Katherine Jackson is best known for being the mother of international pop superstar Michael Jackson.
La Toya Jackson is a singer and entertainer, and is best known as a member of the musical Jackson family. Michael Jackson was her brother.
20th century recording artist Mahalia Jackson, known as the Queen of Gospel, is revered as one of the greatest musical figures in U.S. history.
Marlon Jackson scored platinum records singing with his famous family, including little brother Michael. The Jackson 5 was one of Motown's biggest acts.
Singer-songwriter Michael Jackson's award-winning career as the King of Pop transformed the face of pop music and popular culture. He released the best-selling album in history, Thriller, in 1982. He died unexpectedly in 2009.
Paris Michael Katherine Jackson is the second child and only daughter of pop legend Michael Jackson.
New Zealand native Peter Jackson is best known as a director for his adaptation of J.R.R. Tolkien's Lord of the Rings trilogy, which has won 11 Oscars.
Phil Jackson is widely considered one of the greatest coaches in the history of the National Basketball Association after leading his teams to nine NBA titles.
Rachel Jackson was the wife of President Andrew Jackson and is best known for the smears about her honor during her husband's election campaign.
Record producer and musician Randy Jackson is notable mostly as a judge on the talent-search TV show American Idol
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Singer and musician Randy Jackson came to fame as a member of the Jacksons, a hit R&B and pop group of the 1970s and '80s.
Samuel L. Jackson is known as one of the hardest-working Hollywood actors. In 2011, he was named the highest-grossing actor of all time.
Writer Shirley Jackson is best known for her story “The Lottery," which suggests a sinister underside to small-town America, and The Haunting of Hill House.
Stonewall Jackson was a leading Confederate general during the U.S. Civil War, commanding forces at Manassas, Antietam, Fredericksburg and Chancellorsville.
T.J. Jackson began performing with the group 3T in the 1990s. In 2012, he won temporary guardianship of his cousins Prince Jackson, Paris Jackson and Blanket Jackson.
Musician Tito Jackson was lead guitarist for The Jackson 5 and later the Jacksons. He has since reinvented himself as blues musician.
Singer Wanda Jackson's hit songs climbed both the country and rock charts in the 1950s and 1960s, earning her the "Queen of Rockabilly" title.
Prince Michael "Blanket" Jackson II is the third child of pop legend Michael Jackson.
Michael Joseph Jackson Jr., nicknamed "Prince," is the first child of the late pop star Michael Jackson.
Author and activist Jane Jacobs wrote about preserving urban neighborhoods, in books like The Death and Life of Great American Cities and Dark Age Ahead.
Janet Jagan co-founded the People's Progressive Party. She was the first woman to become prime minister of Guyana and was also Guyana’s first female president.
As the lead singer of the Rolling Stones, Mick Jagger has become a rock legend for his gritty, blues-influenced songs and for his charismatic stage presence.
Singer and guitarist Casey James became a household name when he appeared and placed third on the ninth season of American Idol.
Daniel James, an alumni of the famous Tuskegee Institute, was the first African-American four-star general in the U.S. Air Force.
E.L. James is the pen name of Erika Leonard, author of the best-selling erotic novel Fifty Shades of Grey.
Etta James is a Grammy Award-winning singer known for hit songs like "I'd Rather Go Blind" and "At Last."
An American novelist and naturalized Englishman, Henry James was an important figure in transatlantic literary culture of the day.
Jesse James was CEO of West Coast Choppers before it closed in 2010, and was in a heavily publicized relationship with actress Sandra Bullock.
Jesse James was a bank and train robber in the American Old West, best known as the leading member of the James-Younger gang of outlaws.
Comedian and actor Kevin James is best known for his nine-season turn as Doug Heffernan on the CBS sitcom, The King of Queens.
LeBron James, one of the NBA's leading players, is the youngest player to win the Rookie of the Year Award, among several other distinctions. He led the Miami Heat to an NBA champion victory in 2012.
P.D. James is an English mystery writer best known for her series of novels featuring fictional detective Adam Dalgliesh of Scotland Yard.
Actress Susan Saint James is best known for her roles on hit TV shows The Name of the Game (1968) and McMillan & Wife (1971). She was nominated twice for an Emmy award for her role as a divorced mom on the sitcom Kate & Allie (1984).
The writings of psychologist and philosopher William James had a major impact on the way we look at the mind, the body, and the world.
James I was a Spanish king best known for fighting the Moors during his reign from 1213-'76. He is also known as James I the Conqueror and James I of Aragon.
Porn star Jenna Jameson escaped a bad childhood by making dozens of X-rated movies. She parlayed that success into an adult media empire.
Judith Jamison, choreographer and dancer, has been the recipient of numerous awards, including the Kennedy Center Honors and the National Medal of Arts.
Jazz pianist, composer and saxophonist Keith Jarrett is considered one of the most original and prolific jazz musicians to emerge during the late 20th century.
Rapper and hip-hop entrepreneur Jay-Z has won Grammy Awards, helmed Def Jam Records, created a clothing line, and married Beyoncé Knowles.
Wyclef Jean is a Haitian musician whose band, the Fugees, hit it big in the mid-1990s with The Score.
Jazzy Jeff is a DJ and producer known for his pioneering turntable work and his collaboration with Will Smith, DJ Jazzy Jeff and the Fresh Prince.
Martha Jefferson was married to Thomas Jefferson for 10 years and bore six of his children, but died in 1781, at age 33.
Thomas Jefferson was a draftsman of the Declaration of Independence and the third U.S. president (1801-09). He was also responsible for the Louisiana Purchase.
Warren Jeffs, the former leader of the polygamist sect Fundamentalist Church of Jesus Christ of Latter-Day Saints, was convicted in 2011 for the sexual assault of underage girls.
Doctor Mae C. Jemison is the first African-American woman ever to be a U.S. astronaut. In 1992, she flew into space aboard the Endeavour.
Actor Richard Jeni was best known as a popular stand-up comedian, appearing often on television comedy shows, including a few of his own HBO comedy specials.
One of the most beloved athletes of the 1970s, track athlete Bruce Jenner won a gold medal and set a world record in the decathlon at the 1976 Summer Olympics. Since then, he's appeared on the popular reality show Keeping Up with the Kardashians.
Reality television star and "momager" Kris Jenner, wife of Bruce Jenner, appears on Keeping Up with the Kardashians with her husband and daughters Kim, Kourtney and Khloé.
A respected television journalist, Peter Jennings served as ABC's nightly news anchor from 1983 to 2005.
Musical rebel Waylon Jennings is best remembered for helping to popularize a grittier and more rock-influenced style of outlaw country music.
Danish silversmith Georg Jensen was one of the first people to use steel for cutlery and recognize modern silverware as profitable.
Ken Jeong is a Korean-American actor, comedian and physician, best known for his role as the comedic gangster Leslie Chow in The Hangover film franchise.
Canadian singer-songwriter Carly Rae Jepsen released the hit 2012 single, "Call Me Maybe," which peaked at No. 1 on the Billboard Candian Hot 100 chart.
Derek Jeter is a Major League Baseball Player with the New York Yankees and was a key factor in their 1990s World Series wins.
As frontwoman for The Runaways, Joan Jett became a female pioneer in the male-dominated world of rock music. She is also a songwriter and producer.
Jewel is a multi-platinum singer-songwriter, poet and actress. Her debut album Pieces of You yielded the hit single "Who Will Save Your Soul."
Jezebel was a Phoenician princess, later the wife of King Ahab of Israel. She became known for putting on makeup before her death and being a wicked woman.
A rising star in the Republican Party, Bobby Jindal became the first Indian American to be elected governor in the United States in 2007.
Muslim statesman Muhammad Ali Jinnah led Pakistan’s independence from India, and was its first governor-general and president of its constituent assembly.
Communist party leader Hu Jintao became vice president of China in 1998 and president in 2003. His administration has focused on social and economic reform.
Martyr, saint and military leader Joan of Arc, acting under divine guidance, led the French army to victory over the British during the Hundred Years' War.
Steve Jobs co-founded Apple Computers with Steve Wozniak. Under Job's guidance, the company pioneered a series of revolutionary technologies, including the iPhone and iPad.
Haley Joe Osment is an American actor best known for his role in The Sixth Sense with Bruce Willis.