When was the American entrepreneur and engineer died based on who's patent modern trains rely upon a fail-safe air brake system?
Railway air brake A railway air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on March 5, 1868. The Westinghouse Air Brake Company (WABCO) was subsequently organized to manufacture and sell Westinghouse's invention. In various forms, it has been nearly universally adopted.
David William Rowsen Morgan David William Rowsen (D. W. R. or David W. R.) Morgan (September 16, 1892 – April 30, 1973) was an American mechanical engineer and business executive at the Westinghouse Electric Corporation, known as 74th president of the American Society of Mechanical Engineers in the year 1955-56.