Thomas Hamilton was a Scottish architect born in 1784, known for his significant contributions to neoclassical architecture in Scotland. He studied under the renowned architect Robert Adam and later became famous for his designs of public buildings and monuments, particularly in Edinburgh. One of his most notable works is the Scottish National Portrait Gallery, completed in 1898, which showcases his ability to blend classical elements with modern needs. Hamilton's architectural style is characterized by its grandeur and attention to detail, making him a prominent figure in the development of Scotland's architectural heritage.