Charles Lightfoot Roman was born on May 19, 1889, in Port Elgin, Ontario.

He was a Canadian surgeon, author, lecturer and researcher. He grew up and attended elementary and secondary school in Bay City, Michigan. He graduated from Fisk University, Nashville, Tennessee (B.Sc., 1910), and in 1912, he began to attend McGill University's Medical School. In 1915, he put his studies on hold to enlist with the Canadian General Hospital No. 3, a field hospital near the front lines in France during World War I. There he met his future wife, nursing sister Jessie Sedgewick. He was the only known Black person to have served with the Canadian General Hospital. In 1917, he returned to Montreal to finish his studies, and in 1919, he graduated as a Doctor of Medicine, as well as a Master of Surgery, becoming one of the first Black Canadian graduates from McGill's Faculty of Medicine. Roman began to work at the Montreal General Hospital and later at Montreal Cottons Limited, becoming one of the first industrial medicine doctors in Quebec, specializing in workplace accidents. His research included health and safety for cotton mill workers. His research was published in the Canadian Medical Association Journal and influenced health and safety protocols in factories and mills. In 1953, Roman was honoured as a Fellow of the Industrial Medical Association in Los Angeles. He travelled across North America, lecturing about industrial medicine. In 1923, Roman was initiated into the Valleyfield Lodge, No. 75 of the Freemasonry and was elected Worshipful Master in 1929. In 1934, he became District Deputy Grand Master for Montreal District No. 3. His service over several years earned him the distinction of Honorary Member of several lodges in Québec. He was also a frequent speaker at the Masonic Study Club of Montréal.

In 1920, he married Jessie Middleton Sedgewick (1890-1958). He died on June 8, 1961, in Valleyfield, Quebec.

Sir Humphry Davy Rolleston was born on June 21, 1862, in St. Michaels, Oxfordshire, England.

He was a British physician. He was educated at Marlborough College, St. John's College, and Cambridge University. After clinical training at St. Bartholomew's Hospital in London, he received his M.B. (1888) and M.D. (1892) degrees from Cambridge University. He worked as a physician at St. George's Hospital, Hyde Park Corner, London, from 1891 to 1919. During the Second Boer War (1899-1902), he served with the Imperial Yeomanry Hospital in Pretoria. During World War I, he was a consulting surgeon and surgeon rear-admiral with the Royal Navy. Rollestone gave the 1895 Goulstonian Lectures, the 1919 Lumleian Lectures, and the 1928 Harveian Oration. He served as President of the London Medical Society in 1904, the Royal Society of Medicine (1918-1920) and the Royal College of Physicians (1922-1925). He chaired the Rolleston Committee formed in 1924. From 1923 to 1932, he was Physician-in-Ordinary to King George V. He was made a Knight Commander of the Order of the Bath in 1918, created a baronet, of Upper Brook Street in the Parish of Saint George, Hanover Square, in the County of London, in June 1925 and made a Knight Grand Cross of the Royal Victorian Order (GCVO) in 1929. Rolleston was President of the Eugenics Society from 1933 to 1935. In 1925, he was appointed the Regius Professor of Physics (Cambridge) and remained in this position until he retired in 1932. In 1926, he became President of the Medical Society of London. He contributed to the revised and updated version of Encyclopedia Britannica ("Medicine, General"). A small collection of his papers is held at the National Library of Medicine in Bethesda, Maryland.

In 1894, he married Lizette Eila Harriet Ogilvy (1869–1949). He died on September 23, 1944, in Haslemere, Surrey, England.

John Rolfe was a friend of Sarah Barker. He visited New England in 1755.