Answer;
George Westinghouse
Explanation;
World’s Columbian Exposition was a fair held in 1893 in Chicago, Illinois, to celebrate the 400th anniversary of Christopher Columbus’s voyage to America.
Chicago was chosen in part because it was a railroad center and in part because it offered a guarantee of $10 million.
Bringing in the world's best and brightest innovators, the 1893 Chicago World's Fair transformed the way we look at exhibitions forever. Up to the moment that the Chicago World's Fair opened to the public on May 1, 1893, crews scrambled to replant landscaping that had been washed away in a torrential rain storm.