Prof Jonathan Campbell Meakins FRSE CBE LLD (18 May 1882 – 12 October 1959) was a Canadian physician and medical author and member of the Canadian Medical Hall of Fame. In authorship he is known as J. C. Meakins.
He was born on 16 May 1882 in Hamilton, Ontario the son of Charles William Meakins and his wife Elizabeth Campbell. He received his medical degree (MD) from the University of Sydney in 1904.
In 1909 he joined McGill University as a Demonstrator in Clinical Medicine. In 1912 he was appointed Secretary to the Committee on Experimental Medicine.
In the First World War he served in the Canadian Army Medical Corps.In the Second World War he reached the rank of Brigadier and was created a Commander of the Order of the british Empire (CBE) for his services.
After the war, in 1919, he took up the post as Professor of Therapeutics at Edinburgh University. In 1924 he moved back to Canada as Professor of Medicine at McGill University where he remained until retiral in 1947.
In 1922 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were James Lorrain Smith, Henry Briggs, Sir James Walker and James Hartley Ashworth.
He died in Montreal on 12 October 1959.
He became one of the first to administer and study the effects of insulin while at the University of Edinburgh. He published over 160 works, including the textbook The Practice of Medicine. After studying PTSD and gas poisoning during the First World War, he became Deputy Director of Medical Services with the rank of brigadier during the Second World War. He was also the founder and first president of the Royal College of Physicians and Surgeons of Canada.