Valentine Ball was born on July 14, 1843, in Dublin, Ireland.

He was an Irish geologist who graduated from the University of Dublin (B.A., 1864; M.A., 1872 and LL.D., 1889). In 1864, Ball joined the Geological Survey of India, working under Thomas Oldham. His task was to survey coalfields and other minerals of economic value, and he discovered several coalfields in West Bengal and central India. He became a Fellow of Calcutta University in 1875 and advised on the alignment of a proposed railway line between Bombay and Calcutta due to his expertise in central India. In 1873, he visited Narcondam Island along with James Wood-Mason. He was elected Fellow of the Geological Society of London in 1874. Upon returning to Ireland in 1881, he became a Professor of Geology and Mineralogy at the University of Dublin. In 1883, he became director of the Dublin Science and Art Museum, now the National Museum of Ireland. Additionally, he served as the president of the Royal Geological Society (1882-1883) and the honorary secretary of the Royal Zoological Society of Ireland. He was elected to the Royal Society in 1882. Ball oversaw the completion of the new museum complex on Kildare Street and produced the first guide to the building. He also contributed to studies in ornithology and anthropology and arranged for his collections of Irish antiquities and Polynesian artifacts to be deposited in the new museum. Due to ill health, Ball resigned from the directorship of the museum in 1895. He was known for his regular contributions to Stray Feathers, the ornithological journal founded by Allan Octavian Hume, and the Andaman scops owl (Otus balli) was named after him by Hume. Ball authored several notable works, including "Jungle-Life in India" (1880), "The Diamonds, Coal, and Gold of India" (1881), and "The Economic Geology of India" (1881), in addition to numerous journal notes.

In 1879, he married Mary Moore. He died on June 15, 1895, in Dublin, Ireland.

Maurice Scollard Baldwin was born on June 21, 1836, in Toronto, Ontario.

He was a Canadian Anglican Bishop from Toronto, Upper Canada. He was ordained a Deacon in 1860 and Priest in 1861. In 1865, he moved to Montreal as the Incumbent of St. Luke's Church, and in 1870, he became assistant Rector of Christ Church Anglican Cathedral in Montreal. On the death of the Rev. Dean Bethune in 1871, he was appointed to succeed him as Rector, and in 1879, he was made Dean of Montreal. Noted for his evangelism and skillful oratory, he was elected the third Bishop of Huron in 1883. Under his leadership, the diocese adopted parliamentary rules for its synod, balanced its budget, and first broke off, then restored, its association with Western University of London, Ontario. He was the author of two books, "A Break in the Ocean Cable" (1877) and "Life in a Look”(1879).

He died on October 19, 1904, in London, Ontario.

Elson I. Rexford was born in South Bolton, Québec. After studies at the McGill Normal School, he taught in public schools from 1868 to 1871. He received his B.A. from McGill in 1876, and in the same year was ordained; he then joined the High School of Montreal staff, where he rose to the rank of assistant headmaster. From 1882 to 1891, he served as English Secretary of the Provincial Department of Public Instruction and later as Director of Protestant Education. Rexford returned to the High School of Montreal as Rector in 1891, in 1903, he left to take up the principalship of the Montreal Diocesan Theological College. In 1928, he retired as Principal Emeritus.

Outram Bangs was born on January 12, 1863, in Watertown, Massachusetts.

He was an American naturalist and ornithologist. In 1884, he graduated from the Lawrence Scientific School of Harvard University. Harvard awarded him the honorary degree of Master of Arts in 1918. In 1900, Bangs became curator of mammals at the Museum of Comparative Zoology at Harvard University and, in 1924, curator of birds. He visited Jamaica in 1906 and collected over 100 birds there, but his trip was cut short by dengue fever. His collection of over 10,000 mammalian skins and skulls, including over 100 type specimens, was presented to Harvard College in 1899. In 1908, he presented his collection of over 24,000 bird skins to the Museum of Comparative Zoology. In 1925, he travelled to Europe, visiting museums and ornithologists and arranging scientific exchanges. He wrote over 70 books and articles. He was a Fellow of the American Ornithologist Union, a foreign member of the British Ornithologist Union, and a member of the American Association for the Advancement of Science and the Washington Academy of Sciences.

In 1892, he married Elizabeth A. Bangs (1868–1907) and, in 1909, he remarried Annie Freeby. He died on September 22, 1932, in Cambridge, Massachusetts.

Rev. Charles Bancroft, M.A., was born on September 13, 1845, in Montreal, Quebec, the son of Rev. Canon Charles Bancroft (1819-1877).

He was an Anglican clergyman who received his education at Montreal High School, McGill University, and Gonville and Caius College, Cambridge (B.D.). In 1865, he started his service as a deacon and curate at the Holy Trinity Church in Montreal, where his father was the rector. He was ordained a priest in 1869 and served as the rector of Knowlton, Quebec, from 1876 to 1888. Following this, he served as the rector at the Anglican Grace Church in Sutton, Québec, from 1888 to 1893, and at the Church of the Good Shepherd in Nashua, New Hampshire, from 1893 to 1905. In 1906, he retired to Knowlton, Quebec.

In 1869, he married Eunice Foster (1845-1912). He died on December 1, 1906, in Knowlton, Brome, Quebec.

William Malcolm Drummond was born in Bristol, Québec, in 1897.

He was a distinguished and internationally respected Canadian economist. He was educated at Queen's University (B.A., 1923), the University of Toronto (M.A., 1924), the Ecole Libre des Sciences Politiques in Paris, and Harvard University (M.A., Ph.D.). As an economist, he lectured at the University of Alberta from 1924 to 1926 and at the University of Toronto from 1929 to 1937. He then became Professor and head of the department of agricultural economics at the Ontario Agricultural College at Guelph where he stayed for fifteen years. During World War II he served on various federal committees and boards before returning to O.A.C. In 1952, he resigned from this position to serve with the United Nations' economic mission in Korea. He served as a member of the Royal Commission on Agriculture in Newfoundland (1953), the Royal Commission on Canada's Economic Prospects (1955), and the Royal Commission on Price Spreads (1957). He was a Fellow of the Agricultural Institute of Canada and co-authored two books.

He died at home in 1965.

Thomas Arthur Ban was born on November 16, 1929, in Budapest, Hungary.

He was a Hungarian-born Canadian psychiatrist, psychopharmacologist, academic, researcher, and theorist. In 1954, he graduated from the Medical School of the Semmelweis University in Budapest and became a Resident Psychiatrist at the National Institute of Psychiatry and Neurology from 1954 to 1956. After the Hungarian Uprising in 1957/58, he emigrated to Canada and served as a rotating intern at the Victoria General Hospital in Halifax from 1957 to 1958, and as a resident psychiatrist in Montreal at the Verdun Protestant Hospital (VPH) from 1958 to 1959, and at the Allan Memorial Institute from 1959 to 1960. In 1960, Ban joined the staff at VPH as Senior Psychiatrist and Chief of the Clinical Research Service. He received his Diploma in Psychiatry from McGill University in 1960, with a thesis on “Conditioning and Psychiatry,” published in 1964. In 1969, he published the first textbook in the emerging field, "Psychopharmacology." In 1970, Ban was awarded the Clarke Institute of Psychiatry Annual Research Fund Award. In 1971, he became the founding director of the first Division of Psychopharmacology in the world at the Department of Psychiatry at McGill University. He was a critic of psychiatric practice, accusing the discipline of lacking a coordinated body of knowledge. Beginning in the 1960s, he was at the vanguard for a biologically based psychiatry at odds with the then-dominant Freudian psychoanalytic approach to treatment. He received the first annual Canadian Psychiatric Association’s McNeil Award in 1969. He won the award again in 1970 and 1973. Additionally, he was on the boards of two Hungarian neuropsychiatric journals, in addition to journals in Argentina, Brazil, Italy, and the United States. In 1976, he became a full professor of psychiatry at Vanderbilt University in Nashville, Tennessee and the director of the clinical research division of the Tennessee Neuropsychiatric Institute. In 1995, Vanderbilt University appointed him professor of psychiatry, emeritus. In his remaining years, he passionately devoted himself to the history of neuropsychopharmacology, including co-editing with Edward Shorter and David Healy a four-volume autobiographical account series for the Collegium Internationale Neuro-Psychopharmacologicum (CINP), and as editor-in-chief of a ten-volume oral history psychopharmacology series for the American College of Neuropsychopharmacology. He was a founder and the first executive editor of The International Network for the History of Neuropsychopharmacology (INHN) website from its inception in 2013 until his death. In 2003, he was bestowed with the Paul Hoch Distinguished Service Award of the American College of Neuropsychopharmacology.

He died on February 4, 2022.