USA HISTORY

Detailed explanation-1: -Theodore D. Judah was a brilliant civil engineer who dreamed of building a transcontinental railroad. He worked tirelessly surveying a route for a railroad to connect California to the rest of the country. Judah convinced several Sacramento businessmen to invest in the Central Pacific Railroad .

Detailed explanation-2: -Theodore Dehone Judah, an American civil engineer, was born Mar. 4, 1826. Judah had such success building railroads in the East, such as the Niagara Gorge Railroad, that he was invited while still a young man to come to California to construct the Sacramento Valley Railroad, the first railroad west of the Mississippi.

Detailed explanation-3: -Beginning in 1863, the Union Pacific, employing more than 8, 000 Irish, German, and Italian immigrants, built west from Omaha, Nebraska; the Central Pacific, whose workforce included over 10, 000 Chinese laborers, built eastward from Sacramento, California.

Detailed explanation-4: -As a boy Judah studied civil engineering. By 18 he was a railroad surveyor, giving himself a practical education in technology not even two decades old. At 21 he married Anna Pierce. The couple leapfrogged across the northeastern states in pursuit of railroad jobs.

Detailed explanation-5: -NARA Grenville Mellen Dodge, acclaimed as “the man who built the Transcontinental Railroad.” The first transcontinental railroad of the United States is like many other historic civil engineering milestones.