He was the inventor of the split washer .
John William Grover ( 20 April 1836 -- 23 August 1892 ) , was an early English consulting civil engineer responsible for several notable buildings in London , and railway lines in England , Wales , Mexico and Venezuela .
John William Grover was the civil engineer of the split washer .
John William Grover ( 20 April 1836 -- 23 August 1892 ) , was an early English consulting civil engineer responsible for several notable buildings in London , and railway lines in England , Wales , Mexico and Venezuela .