John Adamson was a Scottish physician, pioneer photographer, physicist, lecturer and museum curator. He was a highly respected figure in St Andrews, and was responsible for producing the first calotype portrait in Scotland in 1841. He taught the process to his brother, the famous pioneering photographer Robert Adamson. He was curator of the Literary and Philosophical Society Museum at St Andrews from 1838 until his death.

Robert Adamson was a Scottish chemist and pioneer photographer at Hill & Adamson. He is best known for his pioneering photographic work with David Octavius Hill and producing some 2500 calotypes, mostly portraits, within 5 years after being hired by Hill in 1843.