EVB2937903: Miner John Palumbo, Jr. (1921-2008), poses on the edge of the Hull-Rust-Mahoning iron pit mine in Minnesota's Mesabi Iron Range in 1942. The pit was two and a half miles long, three quarters of a mile wide, and provided 25% of U.S. iron ore production during World War II, Vachon, John (1914-75) / Bridgeman Images
EVB2937797: Gustav Krupp von Bohlen (1870-1950), American born as Gustav Bohlen married Alfred Krupp's granddaughter Bertha in 1906, and Kaiser Wilhelm II immediately granted him the surname 'Krupp.' He ran the Krupp heavy industry conglomerate from 1909 until 1941, Unknown photographer, (20th century) / Bridgeman Images
EVB2937963: Four engine passenger plane of the Imperial Airways refueling from a Shell Oil Company mobile fuel tank at Semakh, in north Palestine in October 1931. Imperial Airways was the early British commercial long range air transport company, operating from 1924 to 1939 and serving parts of Europe and the extended British Empire, Unknown photographer, (20th century) / Bridgeman Images
EVB2938080: Terence Vincent Powderly (1849-1924) portrait is surrounded by 32 smaller portraits of the Leaders of the Knights of Labor and scenes of labor. The Labor Union had over 600,000 members at its height in the 1886. The Knights demanded an eight hour work day and campaigned against child and convict labor / Bridgeman Images