Short answers, pulled from the story.
The Gas Light and Coke Company received its royal charter on the 30th of April 1812 under King George III. Parliament granted authorization for the enterprise earlier through statute 50 Geo. 3. c. clxiii.
Frederick Albert Winsor arrived from Germany to lead the company while Samuel Clegg served as chief engineer. Joseph Newell Reeson acted as Resident Engineer starting in 1906 and conducted world-first experiments with welded gas holder construction.
Multiple vessels including SS Lanterna, SS Coalgas, and SS Ignis sank due to mine strikes or submarine attacks between 1915 and 1917. Crew survival rates varied across these disasters with some losing all crew members while others saw everyone survive.
Beckton Gas Works rose from East Ham Levels in 1868 to allow much more production than Nine Elms. The Brentford site received legal powers in 1868 to build new works at Southall because the original location proved too cramped for development.
The GLCC underwent nationalization on the 1st of May 1949 under the Gas Act 1948 becoming a major part of North Thames Gas Board. Beckton closed in 1976 while Nine Elms shut down in 1970 following Britain's conversion to natural gas from the North Sea.