20th-century philanthropists

Geraldine Estelle Horner (née Halliwell; born 6 August 1972), is an English singer, songwriter, author, actress, and philanthropist. She rose to prominence in the 1990s as Ginger Spice, a member of the pop girl group the Spice Girls. With over 85 million records sold worldwide, the group became the best-selling female group of all time. The phrase "girl power", regularly uttered by all five members, was most closely associated with Halliwell. Her Union Jack dress from the 1997 Brit Awards also became an enduring symbol of girl power. In 1998, Halliwell left the Spice Girls to pursue a solo career but later returned to the group when they reunited in 2007.

Christopher Cline (born July 5, 1958 – July 4, 2019) was an American billionaire mining entrepreneur and philanthropist. As of March 2013, he was the majority owner of privately-held Foresight Reserves LP, headquartered in St. Louis, Missouri. Regarded by Bloomberg as the "New King Coal", Cline is considered to have been responsible for reviving the Illinois coal industry. His company has more than three billion tons of coal reserves across Illinois and the Northern Appalachians. He died in a helicopter crash In Abaco.

Marion Davies (born Marion Douras; January 3, 1897 – September 22, 1961) was an American actress, producer, screenwriter, and philanthropist. Educated in a religious convent, Davies fled the school to pursue a career as a chorus girl. As a teenager, she appeared in several Broadway musicals and one film, Runaway Romany (1917). She soon became a featured performer in the Ziegfeld Follies. While performing in the 1916 Follies, the nineteen-year-old Marion met the fifty-three-year-old newspaper tycoon William Randolph Hearst and became his mistress. Hearst took over management of Davies' career and promoted her as a motion picture actress.

Hugh O'Brian (born Hugh Charles Krampe; April 19, 1925 – September 5, 2016) was an American actor and humanitarian, best known for his starring roles in the ABC Western television series The Life and Legend of Wyatt Earp (1955–1961) and the NBC action television series Search (1972–1973). His notable films included the adaptation of Agatha Christie's Ten Little Indians (1965); he also had a notable supporting role in John Wayne's last film, The Shootist (1976).

Nelson Rolihlahla Mandela (18 July 1918 – 5 December 2013) was a South African anti-apartheid revolutionary, political leader and philanthropist who served as President of South Africa from 1994 to 1999. He was the country's first black head of state and the first elected in a fully representative democratic election. His government focused on dismantling the legacy of apartheid by tackling institutionalised racism and fostering racial reconciliation. Ideologically an African nationalist and socialist, he served as the president of the African National Congress (ANC) party from 1991 to 1997.

Ronald Allan Kelley Poe (August 20, 1939 – December 14, 2004), better known as Fernando Poe Jr. and colloquially known as FPJ, Ronwaldo Reyes and Da King, was a Filipino actor, director and politician. His long career as an action film star earned him the nickname "King of Philippine Movies" (often shortened to "Da King").

Gerald Hatten Buss (January 27, 1933 – February 18, 2013) was an American businessman, investor, chemist, and philanthropist. He was the majority owner of the Los Angeles Lakers professional basketball team in the National Basketball Association (NBA), winning 10 league championships that were highlighted by the team's Showtime era during the 1980s. He is a member of the Naismith Memorial Basketball Hall of Fame as a contributor. Buss owned other professional sports franchises in Southern California.

Barbara Marx Sinatra (née Blakeley; March 10, 1927 – July 25, 2017) was an American model, showgirl, socialite, philanthropist, and the fourth wife of Frank Sinatra.

Theodore Joseph Forstmann (February 13, 1940 – November 20, 2011) was one of the founding partners of Forstmann Little & Company, a private equity firm, and chairman and CEO of IMG, a global sports and media company. A billionaire, Forstmann was a Republican and a philanthropist. He supported school choice and funded scholarship programs for the disadvantaged. He led a tour of refugee camps in the former Yugoslavia.

Nita Mukesh Ambani (née Dalal, born 1 November 1963) is an Indian philanthropist. She is the chairperson and founder of the Reliance Foundation, Dhirubhai Ambani International School and a director of Reliance Industries. She is married to Reliance Industries chairman and managing director Mukesh Ambani. With a family fortune estimated in excess of US$80 billion (August 2020), the Ambanis are among the richest in the world. She is also an art collector and owner of the Indian Premier League cricket team Mumbai Indians.