Dr John Aitken LID; FRS; FRSE (1839-1919) of Ardenlea, Falkirk was a Climatologist. He was awarded the royal medal by the Royal Society of London, in 1917. He did his experiments mostly on equipment he made and designed himself, in the laboratory in his home. He conducted experiments on the condensation of atmospheric water vapour, and discovered microscopic particles, which are now named Aitken nuclei. Work published in the journals of the Royal Society of Edinburgh. According to a letter from the Science Museum asking about him, he was a fellow of the Royal Society, corresponded with Lord Kelvin on scientific matters, and was published in Nature.