Andrew Carnegie, Wikipedia, February 1, 2014, en.wikipedia.org
Henry Bessemer- The Steel Man Inventors.about.com http://inventors.about.com/library/inventors/blsteel.htm
Samuel Gompers u-s-history.com http://www.u-s-history.com/pages/h1747.html
Central Pacific Railroad
The Central Pacific Railroad is the former name of the railroad network built between California and Utah, USA that formed part of the "First Transcontinental Railroad" in North America. It is now part of the Union Pacific Railroad. A practical mountain route for the rail line was first conceived and surveyed by Dutch Flat, California gold prospector and drugstore owner Dr. Daniel W. strong and engineer, Theodore Dehone
Judah, who obtained the financial backing of the California group and won federal support in the form of the Pacific Railroad act, signed in 1862 by former railroad lawyer Abraham Lincoln.
Central Pacific Railroad Photographic History Museum cprr.org http://cprr.org/Museum/