Born in Edinburgh. A landscape painter who was the eldest son and pupil of Alexander Nasmyth. At a young age, he would travel round the surrounding countryside withi his father and sketch. He became particularly attracted to 17th century Dutch landscapes on his travels round Europe and these influenced him for the rest of his short life. Moving to London with his family his landscapes became very popular and the skies in his pictures have been praised for 'thier truth and beauty, and in contrast with the dark landscapes over which they float they seem clear and bright'. At the age of 44 he died of influenza in London.