Original sentence: Sir John Pender (September 10, 1816 – July 7, 1896), British Submarine communications cable pioneer, was born in the Vale of Leven, Scotland, and after attending school in Glasgow became a successful merchant in textile fabrics in that city and in Manchester; where he had a warehouse in Peter street.The Anglo-American Telegraph Company (formerly the Atlantic Telegraph Company) and the The Gutta- percha Company and Glass, Elliott (Greenwich, London) merged into the Telegraph Construction and Maintenance Company 'Telcon' (which was taken over decades later by  British Insulated Callender's Cables), and laid the first successful cable in 1866 and ended up manufacturing and laying all of Eastern Telegraph's cables and most of the submarine telegraph cables of the rest of the world
Edited sentence: Sir John Pender (September 10, 1816 – July 7, 1896), British Submarine communications cable pioneer, was born in the Vale of Leven, Scotland, and after attending school in Glasgow became a successful merchant in textile fabrics in that city and in Manchester; where he had a warehouse in Peter street near The Great Northern Warehouse.The Anglo-American Telegraph Company (formerly the Atlantic Telegraph Company) and The Gutta-percha Company and Glass, Elliott (Greenwich, London) merged into the Telegraph Construction and Maintenance Company 'Telcon' (which was taken over decades later by  British Insulated Callender's Cables), and laid the first successful cable in 1866 and ended up manufacturing and laying all of Eastern Telegraph's cables and most of the submarine telegraph cables of the rest of the world