William Lant Carpenter was a professor of Mechanical Engineering, born in 1841 in Bristol, Gloucestershire, England. In 1868 he married Ann (Annie) Grace Viret and he divorced her in 1881 after 13 years of marriage. In the 1880s, he was the principal and lecturer at the School of Submarine Telegraphy and Electrical Engineering in London, England.
He died on December 23, 1890, from shot wounds in his bedroom at his home in London, England.

Charles Carpmael was born on September 19, 1846, in Streatham, Surrey, England.

He was a meteorologist and astronomer. He received his B.A. (1869) and his M.A. (1872) from Cambridge University. He worked as a civil engineer at Southampton Buildings, London. In 1870, he participated in the British sun eclipse expedition to Estepona, near Gibraltar. In 1872, he settled in Toronto, Ontario where he worked as an Assistant Director of the Meteorological Service of Canada (1872) and as its Director (1880-1894). Besides undertaking work in solar physics, including spectroscopy, he involved Canada in international scientific events. He developed the Canadian Weather Bureau and directed the development and extension of the Canadian storm-warning and weather-forecasting services. He served as a Vice-President of the mathematical, chemical, and physical section of the Royal Society of Canada (1882) and as its President in 1885. In 1890, he helped found the Astronomical and Physical Society of Toronto and as its President, he organized systematic magnetic observations to study earth currents.

In 1876, he married Julia McKenzie. He died on October 20, 1894, in Hastings, Sussex, England.

Lucien Carr was born on December 15, 1829, in Troy, Lincoln County, Missouri.

He was an American archeologist and author. He studied at St. Louis University, Missouri where he received his B.A. in 1846. In 1867, he moved to Cambridge, Massachusetts. He then turned to a brief career in journalism before moving to a rural area to become a gentleman farmer. In 1867, he moved back to Cambridge and began exploring mounds in Tennessee and the mid-South in 1871-1875. He developed an interest in the study of the Indians and of American archeology and was soon recognized as an expert in the field. He held the office of Assistant Curator at the Peabody Museum of American Archeology and Ethnology at Harvard University, Cambridge, Massachusetts from 1876 to 1894. He was an author of "Report on the Exploration of a Mound in Lee County, Virginia" (1877), “Mound of the Mississippi Valley” (1883), “Missouri, a Bone of Contention” (1888), and “On the Prehistoric Remains of Kentucky”, with Shaler (1904). He was a member of the Anthropological Society of Washington, the American Antiquarian Society, and the American Academy of Arts and Sciences.

In 1854, he married Cornelia Louisa Crow (1833–1922). He died on June 27, 1915, in Cambridge, Middlesex County, Massachusetts.

Thomas Heathfield Carrick was an English portrait miniature painter who portrayed many leading political and literary figures of his age. He developed the method of painting portraits on marble rather than the usual ivory.
He grew up in Upperby, near Carlisle in Cumberland (now Cumbria), where he trained and traded as a chemist, painting miniatures in his spare time. He became renowned in the district for his portraits, including one of the actor Charles Kean. In 1836, he moved to Newcastle upon Tyne, and after a few years relocated to London, where he exhibited his work at the Royal Academy from 1841 to 1866. Amongst his illustrious subjects were Thomas Carlyle, Sir Robert Peel, Lord John Russell, William Wordsworth, Samuel Rogers, Caroline Norton, Eliza Cook, William Charles Macready, Nellie Farren, Luigi Lablache, Henry Wadsworth Longfellow, Daniel O'Connell and Robert Owen. In 1845, he received a medal from Prince Albert for his work in painting miniatures on marble. He retired on an annuity from the Royal Academy.