Duncan Thomson (born October 1934) is a former director of the Scottish National Portrait Gallery and an authority on the art of Allan Ramsay. References External links https://books.google.com/books/about/A_History_of_the_Scottish_National_Portr.html?id=heA6twAACAAJ https://books.google.com/books?id=VdZLAQAAIAAJ&q=inauthor:%22Duncan+Thomson%22&dq=inauthor:%22Duncan+Thomson%22&hl=en&sa=X&ved=0ahUKEwi7qd_r9vXZAhUEqlQKHVnCBrUQ6AEIJTAA Directors of museums in the United Kingdom Living people 1934 births