[1][3] Stanley joined International Nickel (Inco) in 1901, serving as general superintendent from 1914 to 1918, and as vice president from 1918 to 1922.
[1] He also discovered Monel in 1905 and conceived the process of producing the alloy from ore.[1][4] During the Second World War Stanley opined that "The first obligation of every corporation, of every individual, is to give the utmost support to his Government in the prosecution of the war..."[5] Stanley was also a director of United States Steel, Mond Nickel Company, Canadian Pacific Railway, and Chase National Bank.
[1] Stanley was made a Commander of the Order of Leopold in 1937 and was conferred King's Medal for Service in the Cause of Freedom in 1947.
He also received a Charles F. Rand Memorial Gold Medal from the American Institute of Mining, Metallurgical, and Petroleum Engineers in 1941.
[7] Stanley died of a stroke at his home in Dongan Hills, Staten Island, on February 12, 1951, at the age of 74.