Philanthropist in the context of "Chatham House"

John Lubbock, 1st Baron Avebury (30 April 1834 – 28 May 1913), known as Sir John Lubbock, 4th Baronet, from 1865 until 1900, was an English banker, Liberal politician, philanthropist, scientist and polymath. Lubbock worked in his family company as a banker but made significant contributions in archaeology, ethnography, and several branches of biology. He coined the terms "Palaeolithic" and "Neolithic" to denote the Old and New Stone Ages, respectively. He helped establish archaeology as a scientific discipline, and was influential in debates concerning evolutionary theory. He introduced the first law for the protection of the UK's archaeological and architectural heritage. He promoted the establishment of public libraries and was also a founding member of the X Club.

Abigail Greene Aldrich Rockefeller (October 26, 1874 – April 5, 1948) was an American socialite and philanthropist. She was a prominent member of the Rockefeller family through her marriage to financier and philanthropist John D. Rockefeller Jr., the son of Standard Oil co-founder John D. Rockefeller Sr. Her father was Nelson W. Aldrich, who served as a Senator from Rhode Island. Rockefeller was known for being the driving force behind the establishment of the Museum of Modern Art. She was the mother of Nelson Rockefeller, who served from 1974 to 1977 as the 41st vice president of the United States.

Tadeusz Mazowiecki (IPA: [taˈdɛ.uʂ mazɔˈvjɛt͡skʲi] ; 18 April 1927 – 28 October 2013) was a Polish author, journalist, philanthropist and politician, formerly one of the leaders of the Solidarity movement, and the first non-communist Polish prime minister since 1946, having held the post from 1989 to 1991.

He was the founder and leader of Democratic Union and Freedom Union. Between 1991–2001, he was a member of the Polish Parliament. In the years 2010–2013, he served as advisor to President Bronisław Komorowski. He is the recipient of Poland's highest order of merit, the Order of the White Eagle.

Jean-Antoine Chaptal, comte de Chanteloup (French pronunciation: [ʒɑ̃ ɑ̃twan ʃaptal]; 5 June 1756 – 29 July 1832) was a French chemist, physician, agronomist, industrialist, statesman, educator and philanthropist.

Chaptal was involved in early industrialization in France under Napoleon and during the Bourbon Restoration. He was a founder and the first president of the Society for the Encouragement of National Industry. He was an organizer of industrial expositions held in Paris. He compiled a study surveying the condition and needs of French industry in the early 1800s. Chaptal published practical essays on the uses of chemistry. He was an industrial producer of hydrochloric, nitric and sulfuric acids, and was sought after as a technical consultant for the manufacture of gunpowder. Chaptal published works which drew on Antoine Lavoisier's theoretical chemistry to make advances in wine-making. Chaptal promoted adding sugar to increase the final alcohol content of wines, now referred to as "chaptalization".

Lars Christensen (6 April 1884 – 10 December 1965) was a Norwegian shipowner and whaling magnate. He was also a philanthropist with a keen interest in the exploration of Antarctica.

Frank J. Hanna III is an American entrepreneur, merchant banker and philanthropist. He was one of three entrepreneurs profiled in the Acton Institute and PBS documentary film The Call of the Entrepreneur.

Hanna has been described as "one of the leading Catholic philanthropists in the USA."

Douglas James Dayton (December 2, 1924 – July 5, 2013) was an American retail executive, businessman, and philanthropist and heir to the Dayton's Company fortune who was the co-founder of the Target discount stores chain. Dayton ran Target's operations during its early years and served as the company's first president. He started his career at the family company: Dayton's department stores.

Dayton served in the Army during World War II, earning a Purple Heart. After the war, he joined the family business, Dayton's department store. He held various positions in the company, and urged the company to take advantage of the emerging discount store market. In 1960, he became the first president of Dayton's new discount subsidiary, Target. He oversaw the company's expansion until 1969 when he became a vice president of Target's parent company after a merger. Dayton left the business in 1972, forming a venture capital firm in 1974. He retired in 1994 but remained active in charity work until his death in 2013.

Robert Sterling Clark (June 25, 1877 – December 29, 1956), an heir to the Singer Sewing Machine fortune, was an American art collector, horse breeder, and philanthropist.