J._D._M._Stirling
Dr John Davy Morries Stirling of Blackgrange FRSE (1810โ21 October 1858) was a 19th-century Scottish physician, inventor and chemist. He discovered elatorin in 1833, and in 1846 took out a patent on "Stirling's toughened iron". In 1854 he was the first person to cast metal pipes (rather than roll them and weld them) much improving their integrity and lifespan.[1]