Here's why:
* Charity Director: Hoover was known for his extensive humanitarian work, particularly during World War I. He led the Commission for Relief in Belgium, which helped feed millions of civilians in war-torn Europe.
* Engineer Miner: Hoover began his career as a mining engineer, working in the western United States and China. He rose to prominence in the mining industry before entering politics.
While not a common combination for a president, Hoover's experiences in both engineering and humanitarian work shaped his worldview and his approach to leadership.