Franz Joseph Haydn (/ˈhaɪdən/; German: [ˈfʁants ˈjoːzɛf ˈhaɪdn̩] (listen); 31 March 1732 – 31 May 1809) was an Austrian composer of the Classical period. He was instrumental in the development of chamber music such as the piano trio. His contributions to musical form have earned him the epithets "Father of the Symphony" and "Father of the String Quartet".

John Arthur Johnson (March 31, 1878 – June 10, 1946), nicknamed the Galveston Giant, was an American boxer who, at the height of the Jim Crow era, became the first African American world heavyweight boxing champion (1908–1915). Among the period's most dominant champions, Johnson remains a boxing legend, with his 1910 fight against James J. Jeffries dubbed the "fight of the century". According to filmmaker Ken Burns, "for more than thirteen years, Jack Johnson was the most famous and the most notorious African-American on Earth". Transcending boxing, he became part of the culture and the history of racism in America.

Michael Savage (born Michael Alan Weiner; March 31, 1942) is an American radio host, author and political commentator. He is the host of The Savage Nation, a nationally syndicated talk show that aired on Talk Radio Network across the United States. By 2009 The Savage Nation had an audience of 8 to 10 million listeners on 400 stations across the United States, making it the second most listened-to radio talk show in the country at the time. Beginning October 23, 2012, after several weeks off the air, Michael Savage returned through a new syndicator, Cumulus Media Networks. By April 2013, according to the radio industry's Talkers Magazine, he had 3.5+ million weekly listeners, putting him in a six-way tie for sixth place, and six talk show hosts getting 7.5+ million weekly listeners. He holds master's degrees from the University of Hawaii in medical botany and medical anthropology and a Ph.D. from the University of California, Berkeley, in nutritional ethnomedicine. As Michael Weiner, he has written books on herbal medicine and homeopathy; as Michael Savage, he has written four political books that have reached the New York Times Best Seller List.

Christopher Walken (born Ronald Walken, March 31, 1943) is an American actor, singer, and dancer who has appeared in more than 100 films and television programs, including Annie Hall (1977), The Deer Hunter (1978), The Dogs of War (1980), The Dead Zone (1983), A View to a Kill (1985), Batman Returns (1992), True Romance (1993), Pulp Fiction (1994), Antz (1998), Vendetta (1999), Sleepy Hollow (1999), Joe Dirt (2001), Catch Me If You Can (2002), Hairspray (2007), Seven Psychopaths (2012), the first three Prophecy films, The Jungle Book (2016), and Irreplaceable You (2018). He has received a number of awards and nominations, including the Academy Award for Best Supporting Actor for The Deer Hunter. He was nominated for the same award and won BAFTA and Screen Actors Guild Awards for Catch Me If You Can. His films have grossed more than $1 billion in the United States.

Albert Arnold Gore Jr. (born March 31, 1948) is an American politician and environmentalist who served as the 45th vice president of the United States from 1993 to 2001. Gore was Bill Clinton's running mate in their successful campaign in 1992, and the pair was re-elected in 1996. Near the end of Clinton's second term, Gore was selected as the Democratic nominee for the 2000 presidential election but lost the election in a very close race after a Florida recount. After his term as vice-president ended in 2001, Gore remained prominent as an author and environmental activist, whose work in climate change activism earned him (jointly with the IPCC) the Nobel Peace Prize in 2007.

Angus McKinnon Young (born 31 March 1955) is an Australian guitarist, best known as the co-founder, lead guitarist, songwriter and only constant member of the Australian hard rock band AC/DC. He is known for his energetic performances, schoolboy-uniform stage outfits and his own version of Chuck Berry's duckwalk. Young was ranked 24th in Rolling Stone magazine's 100 greatest guitarists of all-time list.

Ewan Gordon McGregor OBE (born 31 March 1971) is a Scottish actor, singer, and director known internationally for his various film roles, including independent dramas, science-fiction epics, and musicals.

Jessica Karen Szohr (/ˈzɔːr/; born March 31, 1985) is an American actress. She started her screen career appearing on television shows such as My Wife and Kids (2003), Joan of Arcadia (2004), What About Brian (2007) and CSI: Miami (2007). She gained recognition in 2007 with her breakthrough role as Vanessa Abrams on The CW's teen drama series Gossip Girl (2007–12). She has appeared in feature films including the horror film Piranha 3D (2010), the comedy film I Don't Know How She Does It (2011), the comedy film The Internship (2013) and the comedy film Ted 2 (2015). Her recent television credits include Complications (2015), Kingdom (2015), Twin Peaks (2017) and Shameless (2017–18). In 2018, she joined the cast during the second season of the science fiction series The Orville.