This American president is sometimes called the Great Engineer.
Franklin D. Roosevelt
Abraham Lincoln
Thomas Jefferson
Grover Cleveland
Herbert Hoover
Herbert Hoover was an accomplished engineer and self-made millionaire. Orphaned as a child, by age 27 his mining engineering skills had earned him a partnership in an English company’s gold mines. In 1908, he started his own engineering firm that came to employ 175,000 workers worldwide, earning him the nickname, the "Great Engineer."