Sir Joseph Austen Chamberlain was born on October 16, 1863, in Birmingham, England, son of politician Joseph Chamberlain (1836-1914) and older half-brother of Prime Minister Neville Chamberlain (1869-1940).

He was a British Conservative politician. He studied at Rugby School, Trinity College, Cambridge, the Paris Institute of Political Studies, and the University of Berlin before entering politics in the Conservative Party. After the election of 1895, Chamberlain was appointed Civil Lord of the Admiralty, holding that post until 1900, when he became Financial Secretary to the Treasury. In 1902, he was appointed to the Privy Council and promoted to the position of Postmaster General. Chamberlain became Chancellor of the Exchequer twice (1903-1905; 1919-1921). He served as Secretary of State for India (1915-1917), a Conservative Party leader in the House of Commons (1921–1922), Foreign Secretary (1924-1929), and First Lord of the Admiralty in 1931. Chamberlain shared the 1925 Nobel Prize for Peace with the US Vice President Charles G. Dawes, the Frenchman Aristide Briand, and the German Gustav Stresemann for work aimed at ensuring peace between the arch-rivals Germany and France. He was one of the few MPs supporting Winston Churchill's appeals for rearmament against the German threat in the 1930s and remained an active backbench MP until he died in 1937.

In 1906, he married Ivy Muriel Dundas (1878–1941). He died on March 16, 1937, in London, England.

Montague Chamberlain was born on April 5, 1844, in St. John, New Brunswick.

He was a Canadian-American businessman, naturalist, and ethnographer. He spent the first few decades of his life as a bookkeeper and later manager of a grocery company in St. John. In his mid-twenties, he also became a dedicated amateur ornithologist. He was a Vice-President of the New Brunswick Natural History Society. In 1883, he co-founded the American Ornithologists' Union. In 1888, Chamberlain became a resident member and editor for the Nuttall Ornithological Club in Cambridge, Massachusetts, and a founding member of the American Ornithologists' Union. After quitting the grocery business, he became the assistant secretary of the Harvard Corporation in 1889 and the secretary of the Lawrence Scientific School in 1893. He was a frequent contributor to The Bulletin of the Nuttall Ornithological Club, The Auk (of which he was also a founding associate editor), and Bulletin of the Natural History Society of New Brunswick. He also authored several books, e.g., "A Catalogue of Canadian Birds" (1887), "Birds of Greenland" (1889), and "The Penobscot Indians" (1899).

In 1907, he married Anna Sartoris Prout (1868–1913). He died on February 10, 1924, in Boston, Massachusetts.

Arthur Neville Chamberlain was born on March 18, 1869, in Birmingham, England, son of politician Joseph Chamberlain (1836-1914) and younger half-brother of British politician Joseph Austen Chamberlain (1863-1937).

He was a British Conservative politician. He was educated at Rugby School and Mason Science College. Not interested in his studies, his father apprenticed him to a firm of accountants in 1889. After spending six years trying to unsuccessfully establish a sisal plantation in the Bahamas, he returned to England. He purchased Hoskins & Company, a manufacturer of metal ship berths, and served as its managing director for 17 years. Chamberlain became a Member of Parliament in the 1918 general election for the new Birmingham Ladywood constituency. In 1923, he was promoted to Minister of Health and then Chancellor of the Exchequer in 1931. He served as Prime Minister of the United Kingdom from 1937 until 1940. He is best known for his foreign policy of appeasement, and, for his signing of the Munich Agreement on September 30, 1938, ceding the German-speaking Sudetenland region of Czechoslovakia to Nazi Germany led by Adolf Hitler. Following the German invasion of Poland on September 1, 1939, which marked the beginning of the Second World War, Chamberlain announced the declaration of war on Germany and led the United Kingdom through the first eight months of the war. He resigned as Prime Minister on May 10, 1940, and was replaced with Winston Churchill. He was elected Fellow of the Royal Society (1938) and received numerous honorary doctorates from Oxford, Cambridge, Birmingham, Leeds, and Reading Universities.

In 1911, he married Anne de Vere Cole (1882–1967). He died on November 9, 1940, in Heckfield, England.

Dr. Joshua Chamberlin was a rural physician who was born in Richmond, Vermont. He moved to Frelighsburg, Québec at an unknown date and practiced medicine on both sides of the border.

Thomas Chrowder Chamberlin was born on September 25, 1843, in Mattoon, Illinois.

He was an American geologist and educator. He attended Beloit College, where he received a classical education in Greek and Latin while becoming interested in natural science. He studied geology at the University of Michigan (1868-1869) and became a professor of natural sciences at Whitewater Normal School in Wisconsin. He joined the Beloit faculty in 1873, where he was a professor of geology, zoology, and botany. He participated in a comprehensive geological survey of Wisconsin and became an assistant state geologist with the newly formed Wisconsin Geological Survey. In 1876, he was appointed chief geologist. The four-volume survey report “Geology of Wisconsin" (1877–1883) reflects his deep interest in the glacial deposits of the state as well as in the ancient coral reefs. In 1881, he was appointed geologist in charge of the glacier division of the U.S. Geological Survey, and in 1887, he became president of the University of Wisconsin, Madison. In 1892, he accepted the chairmanship of the geology department of the University of Chicago. In 1894, he was a geologist for the Peary Relief Expedition in Greenland. He also established The Journal of Geology. From 1898 to 1914 he was president of the Chicago Academy of Sciences. In 1899, he wrote "An Attempt to Frame a Working Hypothesis of the Cause of Glacial Periods on an Atmospheric Basis" and developed the idea that changes in climate could result from changes in the concentration of atmospheric carbon dioxide. Chamberlin was awarded the inaugural Penrose Gold Medal of the Society of Economic Geologists in 1924 and the inaugural Penrose Medal of the Geological Society of America in 1927. In 1928, together with the U.S. astronomer Forest R. Moulton, they published “The Two Solar Families” where they shaped the planetesimal hypothesis of the Earth's foundation.

In 1867, he married Alma Isabel Wilson (1847–1923). He died on November 14, 1928, in Chicago, Illinois.

Frank Pentland Chambers (active 1929-42) studied at Cambridge University and at the Royal Academy in London. Later he emigrated to Canada and held the position of Assistant Professor of Architecture at the McGill University School of Architecture from 1929 until 1942.

Rev. James Chambers was born on March 1, 1851, in Holbrook, Ontario.

He was a Presbyterian clergyman. He was educated at Queen's University, Kingston, Princeton College and Princeton Theological Seminary (B.A., 1872; M.A., 1875), and University of Chicago (D.D., 1890). He was ordained in 1875 and took charge of the 1st Congregational Church in Sherburne, N.Y. In 1882, he was appointed to the pastorate of Calvary Presbyterian Church in New York City where he stayed until 1900. Chambers was President of the Presbyterian Club, N.Y., President of the Ministers' Association, President of the Italian Evangelical Mission, and Moderator of the New York Presbytery. He was one of the founders of the Presbyterian Union. As editor of Church Work, he published many articles in the interest of the Church and society. In 1894, he delivered a sermon that started a campaign against Tammany. He was a member of the American Board of Commissioners for Foreign Missions Home, Norwich, New York. He is known as the inventor of the "Invalid Chair".

In 1877, he married Jessie Irene Buell (1855–1930). He died on June 10, 1911, in Norwich, Chenango, New York.