What years would Lyman James Briggs have been the director of the National Bureau of Standards, if he was a  a director of the National Bureau of Standards during the Great Depression?
Great Depression The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, originating in the United States. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until 1941. It was the longest, deepest, and most widespread depression of the 20th century. In the 21st century, the Great Depression is commonly used as an example of how far the world's economy can decline.
J. Edgar Hoover John Edgar Hoover (January 1, 1895 – May 2, 1972), better known as J. Edgar Hoover, was the first Director of the Federal Bureau of Investigation (FBI) of the United States. He was appointed as the fifth director of the Bureau of Investigation — the FBI's predecessor — in 1924 and was instrumental in founding the FBI in 1935, where he remained director until his death in 1972 at the age of 77. Hoover has been credited with building the FBI into a larger crime-fighting agency than it was at its inception and with instituting a number of modernizations to police technology, such as a centralized fingerprint file and forensic laboratories.