Theodore Dehone Judah (March 4 1826-November 2 1863) was an American engineer who dreamed of the First Transcontinental Railroad and launched the Central Pacific Railroad Wikipedia
Central Pacific Railroad Photographic History Museum - Photographs, stereoviews, engravings, maps, and documents illustrating the history of the first transcontinental railroad. cprr.org/Museum/Ephemera/Judah%20Memoriam%20BCC.html
The definitive Wikipedia entry for Theodore Judah. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Theodore_Judah
Theodore Judah was the engineer who had surveyed and promoted this first small railroad. ... Theodore Judah was the engineer who had surveyed Sierras to find the most likely passage to the east . www.rain.org/chats/bc20020318.html