Short answers, pulled from the story.
Abraham Darby III (the 24th of April 1750-1789) was an English ironmaster and Quaker from Coalbrookdale, Shropshire. He is best known for building the first cast-iron bridge ever constructed, a crossing over the River Severn near Coalbrookdale, which became the largest cast-iron structure of his era.
The Iron Bridge was built by Abraham Darby III as a crossing over the River Severn near Coalbrookdale in Shropshire. The village of Ironbridge grew up around it, and the surrounding area became known as Ironbridge Gorge.
Abraham Darby III took over management of the Coalbrookdale ironworks in 1768 at the age of eighteen. He had inherited his father's shares in the family iron-making businesses five years earlier, at age thirteen, when his father Abraham Darby the Younger died in 1763.
Darby paid higher wages than those offered by other local industries including coal-mining and the potteries. He bought up farms to grow food for his workers during times of food shortage, and he built housing for his workforce.
Abraham Darby III died in Madeley aged only 39. He was buried in the Quaker burial ground in Coalbrookdale, the Shropshire town where he was born and where the family ironworks were based.
A secondary school in Telford, UK, named Abraham Darby Academy, is named in his honor. In 1985, rose breeder David C.H. Austin named a cultivar Rosa 'Abraham Darby' after him.