Henry Sedgwick Hull was born in 1854, in New York, USA.

He was an editor and newspaper publisher. He graduated from Haverling Academy, Bath, N.Y., and also attended school in Trenton, N.J. At the age of 21 he entered into a partnership with his father in the publication of the Steuben Courier in Rochester, N.Y., and in 1876, upon the death of his father, assumed entire control of the paper. He was a prominent member of the Presbyterian Church in Bath and was the teacher of the largest Sunday school class in the state.

In 1876, he married Charlotte Elizabeth Hayden (1847–1938). He died on July 9, 1890, in Rochester, New York.

Edward Hull was born on May 21, 1829, in Antrim, Ireland.

He was an Irish geologist, stratigrapher, educator, and author. He studied engineering at Trinity College, Dublin (B.A., 1850; M.A., 1871). In 1850, he joined the Geological Survey of Great Britain and was responsible for mapping the south Lancashire coalfield. He was elected a Fellow of the Royal Society in 1867. He also worked as a district surveyor for the Geological Survey of Scotland (1867-1868) and led an expedition to survey parts of Arabia Petraea and Palestine (1883). He was President of the Royal Geological Society of Ireland in 1873. He was also a professor of geology in the Royal College of Science, Dublin. He published many books, e.g., "The Coal-Fields of Great Britain" (1861) and "Contributions to the Physical History of the British Isles" (1882). He received an honorary LL.D from the University of Glasgow in 1879 and a Murchison medal from the Geological Society of London in 1890. He retired in 1891.

In 1857, he married Mary Catherine Henrietta Cooke (1829–1901). He died on October 18, 1917, in Middlesex, England.

John Whitaker Hulke was born on November 6, 1830, in Deal, Kent, England.

He was a British surgeon, geologist, fossil collector, and author. He was educated partly at a boarding school in England, partly at the Moravian College at Neuwied (1843–1845), where he gained an excellent knowledge of German and an interest in geology through visits to the Eifel district. Upon return from Germany, he entered King's College School, and three years later commenced work at the hospital. In 1852, he became a member of the Royal Colleges of Surgeons of Great Britain and Ireland. In the Crimean War, he served as an assistant surgeon (1855). In 1857, he was elected Fellow of the Royal College of Surgeons. He made his special mark as an ophthalmologist. In 1867, he was elected Fellow of the Royal Society for his researches on the anatomy and physiology of the retina in man and the lower animals, particularly the reptiles. He contributed numerous papers to the Royal Medico-Chirurgical Society. He devoted all his spare time to geology and especially to the fossil reptilia, describing many remains of dinosaurs from the Isle of Wight. He was president of both the Geological and Pathological Societies in 1883, president of the Clinical Society from 1893 to 1895, and of the Royal College of Surgeons from 1893 until his death. His collection of fossils was donated to the Natural History Museum in London.

In 1858, he married Julia Grace Ridley (1831–1924). He died on February 19, 1895, in London, England.

Ray Greene Huling was born on October 15, 1847, in Providence, Rhode Island.

He was an educator and author. He graduated from Brown University (B.A., 1869) and Harvard University (M.A., 1897). He became a classical assistant at the Fall River High School in 1869, a position he held until 1875 when he became principal of the Fitchburg High School. In 1886, he became principal of the New Bedford High School, remaining there until 1893 when he went to study in Cambridge. In 1899, he became a lecturer on the organization and management of schools at Harvard University. In 1900, he became an examiner at Boston University and trustee of Brown University. After resigning in 1908 due to ill health, he became a consulting teacher. Huling was a president of the Massachusetts Teachers Association and a member of the American Institute of Instruction, High School Masters Club, New England Association of Colleges and Preparatory Schools, and New England History Teachers Association. He served as a president and secretary of the Boston Baptist Social Union and the Boston Baptist City Mission Society. He was a corresponding member of Massachusetts, Rhode Island, and Pennsylvania Historical Societies. He contributed articles to various periodicals on educational subjects and wrote pamphlets "The Rhode Island Emigration to Nova Scotia" (1889) and "Samuel Hubbard, of Newport. 1610-1689" (188?).

In 1879, he married Ellen Corinna Paine (1851–1896). He died on September 4, 1915, in Marshfield, Massachusetts.