George Macaulay Trevelyan was born on February 16, 1876, in Stratford-Upon-Avon, Warwickshire, England, younger brother of the politician Sir Charles Philips Trevelyan (1870-1958).

He was a British historian, public educator, and conservationist. He was educated at Harrow School and Trinity College, Cambridge, where he was a member of the secret society, the Cambridge Apostles. He was a Fellow of Trinity College, Cambridge (1898-1903). He lectured at Cambridge until 1903 when he left academic life to become a full-time writer. Trevelyan also edited a progressive journal Independent Review. He became active as a conservationist, successfully urging the preservation of the Ashridge estate by the National Trust in 1925. From 1927 to 1943, he was Regius Professor of Modern History at Cambridge and served as Master of Trinity College from 1940 to 1951. After he retired, he served as Chancellor of Durham University (1950-1958). He was the author of many books, e.g., "England in the Age of Wycliffe" (1899), "England under the Stuarts" (1904), "The Life of John Bright" (1913), and "An Autobiography and Other Essays" (1949). His great work was his Garibaldi trilogy (1907–1911), which established his reputation as the outstanding literary historian of his generation.

In 1904, he married Janet Penrose Ward (1879–1956). He died on July 21, 1962, in Cambridge, Cambridgeshire, England.

Sir Charles Philips Trevelyan, 3rd Baronet, was born on October 28, 1870, in London, England, elder brother of the historian George Macaulay Trevelyan (1876-1962).

He was a British politician and historian. He was educated at Harrow School (1884–1889) and Trinity College, Cambridge (1889–1892). He was briefly appointed private secretary to Lord Houghton at Dublin Castle but left Ireland in 1893. Trevelyan was elected Liberal Member of Parliament for Elland, Yorkshire (1899-1918) and Labour Member of Parliament for Newcastle Central (1922-1931). He served as Parliamentary Secretary to the Board of Education (1908-1914) and President of the Board of Education (1924; 1929-1931). In 1924, he was sworn to the Privy Council. Apart from his political career, Trevelyan was also Lord Lieutenant of Northumberland between 1930 and 1949. In 1942, Trevelyan and his wife donated Wallington Hall, complete with the estate and farms, inherited in 1928, to the National Trust, the first donation of this kind.

In 1904, he married Mary Katharine Bell (1881–1966). He died on January 24, 1958, in Wallington Hall, Northumberland, England.