Answer :
Theodore Judah was the engineer who convinced the Congress to pass the Transcontinental Railroad Act but died before the railroad was finished.
Who was the Theodore Judah?
Theodore Judah was an American civil engineer, who built the Sacramento Valley Railroad in 1856.
He worked on the making of the Erie Canal and also put his efforts in designing the Niagara Gorge railroad.
Judah convinced the congress to pass the Transcontinental Railroad Act in 1862.
Learn more about the Theodore Judah here:-
https://brainly.com/question/2182912
#SPJ1