Samuel Pomeroy

Santa Fe R.R. streamliner, the "Super Chief," being serviced at the depot, Albuquerque, New Mexico. Servicing these diesel streamliners takes five minutes (Jack Delano, Library of Congress 1943)

(Wikipedia) Samuel Clarke Pomeroy (January 3, 1816 – August 27, 1891) was an United States Senator from Kansas in the mid-19th century, serving in the United States Senate during the American Civil War. Pomeroy served in the Massachusetts House of Representatives.
A Republican, he also was the mayor of Atchison, Kansas, from 1858 to 1859, the second president of the Atchison, Topeka and Santa Fe Railroad and the first president to oversee any of the railroad's construction and operations. Pomeroy succeeded Cyrus K. Holliday as president of the railroad on January 13, 1864. Continued