Robert Flint was a Scottish theologian and philosopher who wrote also on sociology.
Sir Thomas Henry Holland was a British geologist who worked in India with the Geological Survey of India, serving as its director from 1903 to 1910. He later worked as an educational administrator at Edinburgh University.
Sir Thomas Broun Smith was a British lawyer, soldier and academic.
Sir Alexander Blackie William Kennedy FRS, FRGS, better known simply as Alexander Kennedy, was a leading British civil and electrical engineer and academic. A member of many institutions and the recipient of three honorary doctorates, Kennedy was also an avid mountaineer and a keen amateur photographer being one of the first to document the archaeological site of Petra in Jordan following the collapse of the Ottoman Empire.
Sir Arthur Elijah Trueman was a British geologist.
The Institution of Engineers in Scotland (IES) is a multi-disciplinary professional body and learned society, founded in Scotland, for professional engineers in all disciplines and for those associated with or taking an interest in their work. Its main activities are an annual series of evening talks on engineering, open to all, and a range of school events aimed at encouraging young people to consider engineering careers. Between 1870 and 2020 the institution was known as the Institution of Engineers and Shipbuilders in Scotland (IESIS).
James Norman Davidson CBE PRSE FRS was a British biochemist, pioneer molecular biologist and textbook author. The Davidson Building at the University of Glasgow is named for him.
Sir Andrew Meikle Bryan was a Scottish mining engineer and academic.
Thomas Jones Mackie CBE FRSE LLD was a noted Scottish bacteriologist; Dean of the Faculty of Medicine, University of Edinburgh; and author of medical research textbooks.
Sir Ernest MacLagan Wedderburn was a Scottish lawyer, and a significant figure both in the civic life of Edinburgh and in the legal establishment. He held the posts of Professor of Conveyancing in the University of Edinburgh (1922–35), Deputy Keeper of the Signet (1935–54), and Chairman of the General Council of Solicitors (1936–49), the forerunner to the Law Society of Scotland, and chaired the latter 1949/50. He was also an enthusiastic amateur scientist, and first Treasurer then Vice President of the Royal Society of Edinburgh.
Charles Geddes Coull Chesters OBE FRSE FLS (1904–1993) was a British botanist specialising in fungi and lichens.
Charles Findlay Davidson OBE FRSE FGS MIMM was a Scottish geologist. He served as Vice President of the Royal Society of Edinburgh. He was Assistant Curator to the Museum of Practical Geology in London and Chief Geologist of the British Geological Survey.
Robert Wilson Dron FRSE MA MICE PIME (1869–1932) was a Scottish geologist and mining engineer, writing many authoritative books on coal-mining. He was Professor of Mining Technology at the University of Glasgow. He was founder of the mining company R W Dron & Sons. He served as President of the Mining Institute of Scotland from 1923 to 1925.
Prof Thomas Gibson FRSE (1915-1993) was an eminent Scottish plastic surgeon serving as Professor of Plastic Surgery and Bioengineering at Strathclyde University. Together with Robert Kenedi he cofounding the Bioengineering Department in 1961. His research forms the basis for modern tissue transplantation techniques. In 1960 Sir Peter Medawar wrote to Gibson giving "deep obligation" to him for paving the way for his understanding which led to Medawar being awarded the Nobel prize for Medicine in 1960. His letter ended "thank God I was lucky enough to team up with you".
Sir Harry Work Melville, was a British chemist, academic, and academic administrator, who specialised in polymer research. He spent his early career in academia as a lecturer and researcher, before moving into administration as a civil servant and university college head.
William John McCallien FRSE FGS OBE (1902-1981) was a 20th-century Scottish geologist and artist. He is known generally as William J. McCallien as an author, a common misconception is that he was also the artist known as W. J. McCallien, this was in fact his father.
James McKinnon FRSE (1860-1945) was a writer on history and church history. He was Professor of Church History at the University of Edinburgh from 1908 to 1930.
Sir Thomas Oliver, (1853–1942) was a Scottish physician and expert on industrial hygiene, particularly in the mining industry and antimony workers. He was President of the College of Medicine 1926 to 1934 and President of the Royal Institute of Public Health and Hygiene from 1937 to 1942.
George McCreath Wyburn FRSE FRFPSG (1903–1985) was a British embryologist. He was Professor of Anatomy at the University of Glasgow from 1948 to 1972.
