Title: Herbert Hoover National Historic Site
Content:  Herbert Hoover became a prosperous mining engineer, becoming very wealthy after working in Australia and China. He married Lou Henry in 1899. During World War I, Hoover was moved by a food crisis in Europe. Hoover oversaw operations for the Commission for Relief in Belgium to feed the nation of Belgium throughout the war. After the United States entered the war, Hoover was appointed the head of the U.S. Food Administration. Hoover was lauded for his efforts in his homeland. He campaigned on behalf of Warren G. Harding in 1920, who rewarded Hoover by appointing him Secretary of Commerce in his cabinet. In 1928, Hoover was considered the leading candidate for President by the Republican Party. He defeated Al Smith in a landslide. However, his term was marred by the economic downturn of the Great Depression. Despite efforts to right the economy, Hoover was himself defeated in a landslide in 1932 to Franklin D. Roosevelt. During World War II, Hoover was again tasked with providing food to war-torn countries.
Title: History of the United States (1918–1945)
Content:  Herbert Hoover became world famous by leading the Commission for Relief in Belgium in World War I. He directed the U.S. Food Administration when the U.S. entered the war, and served as Secretary of Commerce in the 1920s. An energetic exponent of progressivism he promoted engineering-style efficiency in business and public service, and promoted standardization, elimination of waste, and international trade. He easily won the Republican presidential nomination in 1928 and defeated Democrat Al Smith in a landslide. The promise of prosperity made Hoover president, but the reality of economic decline ruined him, as Democrats tarred him with blame for the Great Depression in the 
Title: Herbert Hoover
Content:  Coolidge after Harding died in 1923. Hoover was an unusually active and visible Cabinet member, becoming known as "Secretary of Commerce and Under-Secretary of all other departments". He was influential in the development of air travel and radio. He led the federal response to the Great Mississippi Flood of 1927. Hoover won the Republican nomination in the 1928 presidential election, and decisively defeated Democratic candidate Al Smith. The stock market crashed shortly after Hoover took office, and the Great Depression became the central issue of his presidency. Hoover pursued a variety of policies in an attempt to lift the economy, but opposed directly involving the federal government in relief efforts. 
Title: Herbert Hoover
Content:   With the goal of encouraging wise business investments, Hoover made the Commerce Department a clearinghouse of information. He recruited numerous academics from various fields and tasked them with publishing reports on different aspects of the economy, including steel production and films. To eliminate waste, he encouraged standardization of products like automobile tires and baby bottle nipples. Other efforts at eliminating waste included reducing labor losses from trade disputes and seasonal fluctuations, reducing industrial losses from accident and injury, and reducing the amount of crude oil spilled during extraction and shipping. He promoted international trade by opening overseas offices to advise businessmen. Hoover was especially eager to promote Hollywood films overseas. His "Own Your Own Home" campaign was a collaboration to promote ownership of single-family dwellings, with groups such as the Better Houses in America movement, the Architects' Small House Service Bureau, and the Home Modernizing Bureau. He worked with bankers and the savings and loan industry to promote the new long-term home mortgage, which dramatically stimulated home construction. Other accomplishments included winning the agreement of U.S. Steel to adopt an eight-hour workday, and the fostering of the Colorado River Compact, a water rights compact among Southwestern states.
Title: Herbert Hoover
Content:  Herbert Clark Hoover (August 10, 1874 – October 20, 1964) was an American politician and engineer who served as the 31st president of the United States from 1929 to 1933 and a member of the Republican Party, holding office during the onset of the Great Depression. Before serving as president, Hoover led the Commission for Relief in Belgium, served as the director of the U.S. Food Administration, and served as the third U.S. secretary of commerce. Hoover was born to a Quaker family in West Branch, Iowa, but he grew up in Oregon. He took a position with a London-based mining company after graduating from Stanford University in 1895. After the 
Title: Hoover Institution Library and Archives
Content:  President Herbert Hoover (1874–1964) was an alumnus of Stanford University, graduating in 1895 to become a mining engineer. Successful in business enterprise from an early age in a managerial capacity, Hoover also developed a deep affection for book collecting, building an impressive personal collection. When World War I erupted, Hoover found himself in Europe, quickly becoming involved in ongoing efforts to provide relief aid to wartime refugees. In 1915 Hoover's professional life intersected with his bibliophilic proclivities when his friend Ephraim D. Adams suggested that Hoover take it upon himself to preserve the records of the organization he directed, the Commission for Relief in Belgium. Hoover accepted this task and 
Title: Herbert Hoover
Content:  in the early development of air travel, and he sought to create a thriving private industry boosted by indirect government subsidies. He encouraged the development of emergency landing fields, required all runways to be equipped with lights and radio beams, and encouraged farmers to make use of planes for crop dusting. He also established the federal government's power to inspect planes and license pilots, setting a precedent for the later Federal Aviation Administration. As Commerce Secretary, Hoover hosted national conferences on street traffic collectively known as the National Conference on Street and Highway Safety. Hoover's chief objective was to address the growing casualty toll of 
Title: Presidents of the United States on U.S. postage stamps
Content:  Quaker blacksmith, Hoover brought to the Presidency a reputation for public service as a humanitarian. After World War I, Hoover had massive shipments of food sent to feed starving millions in central Europe. He also provided much needed aid to Soviet Russia in 1921 which was then plagued with famine. In spite of Hoover's many humanitarian efforts, he is ranked less than favorably as a president among many historians for his failure to bring the country out of the great depression that beset the country in 1929, the year Hoover assumed office. Hoover has never appeared on a U.S. definitive stamp.
Title: Herbert Hoover
Content:  of World War I, he became the head of the Commission for Relief in Belgium, an international relief organization that provided food to occupied Belgium. When the U.S. entered the war, President Woodrow Wilson appointed Hoover to lead the Food Administration, and Hoover became known as the country's "food czar". After the war, Hoover led the American Relief Administration, which provided food to the inhabitants of Central and Eastern Europe. Hoover's wartime service made him a favorite of many progressives, and he unsuccessfully sought the Republican nomination in the 1920 presidential election. President Warren G. Harding appointed Hoover as Secretary of Commerce in 1920, and he continued to serve under President 
Title: 932 Hooveria
Content:  This minor planet was named by the Academic Senate of the Vienna University in honor of then-Secretary of State Herbert Hoover (1874–1964), in recognition of his help to Austria after World War I. The was mentioned in the Astronomische Nachrichten in 1922 (AN 216, 192). Hoover became the 31st president of the United States from 1929 to 1933. A second asteroid 1363 Herberta was also named after him in 1938. Another of Palisa's discoveries, asteroid 941 Murray, was also named in appreciation for the help provided to post-war Austria. In this case, it was named after British classical scholar and diplomat Gilbert Murray (1866–1957).

Question: what was herbert hoover best known for?
Answer: President of the United States.