John Fowler was a prominent British civil engineer and inventor, known for his significant contributions to railway construction in the 19th century. He played a key role in the development of the London and South Western Railway and was instrumental in the design of several important railway bridges and tunnels. Fowler is perhaps best known for his work on the Forth Bridge in Scotland, which is celebrated for its innovative use of steel and cantilever design. His engineering expertise helped shape modern railway infrastructure, making travel more efficient and accessible during the industrial revolution.