He worked as a water boy for a government project to string a telegraph line from San Antonio, Texas, to Fort Clark when he was 14.
He worked for Western Union and other utility companies just starting out as a lineman.
In 1886, Miller worked for the St. Louis Municipal Electric Light and Power Company.
During this time, he saw an opportunity to organize electrical workers when they came to the St. Louis Exposition in 1890.
[4] In 2016, the Henry Miller Museum opened as part of the 125 anniversary for the IBEW.