William Crawshay was a prominent Welsh industrialist known for his significant contributions to the iron and coal industries during the 19th century. He was born in 1780 and became the owner of the Crawshay Ironworks in Merthyr Tydfil, which was one of the largest ironworks in the world at the time. His business played a crucial role in the industrial revolution in Wales. Crawshay was also involved in local politics and was a member of the Merthyr Tydfil town council. He was known for his philanthropic efforts, supporting various community projects and initiatives. His legacy is closely tied to the growth of the iron industry in South Wales and the development of the region's economy.