Lord Kelvin of Largs

 Today is the 200th birthday of William Thomson, 1st Baron Kelvin, OM, GCVO, PC, FRS, FRSE (26 June 1824 – 17 December 1907), mathematician, mathematical physicist and engineer born in Belfast. He became Professor of Natural Philosophy at the University of Glasgow, where he had been a student at the age of ten, and held the chair for 53 years, undertaking significant research and mathematical analysis of electricity, being instrumental in the formulation of the first and second laws of thermodynamics. He received the Royal Society's Copley Medal in 1883 and served as its president from 1890 to 1895. In 1892, he became one of the first British scientists to be elevated to the House of Lords. 

Thomson's first wife was an armigerous lady, Margaret Crum, daughter of Walter Crum of Thornliebank who was granted these arms in 1868:

Despite this, it took Thomson until 1892 to petition for arms for himself, as Sir William Thomson of Netherhall, the house he had built in Largs on the Clyde Coast. 

This was unfortunate timing as he was created Baron Kelvin of Largs later that same year. If he had waited he could have ad a coronet and supporters. Curiously he did appear to gain supporters tho' not from Lyon as these arms appear in various places. The dexter is a graduate in arts of Glasgow University while the sinister, a sailor with his plumb line, is clearly a reference to Lord Kelvin's to the Trans-Atlantic Cable: 

He died at the house he had built in Largs (the house still stands but is now converted into flats):