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.
Frank P. Sargent Frank Pierce Sargent (November 18, 1851 – September 4, 1908) was an American trade union functionary and government official. Sargent is best remembered as the head of the Brotherhood of Locomotive Firemen and Enginemen for a period of more than 17 years and as the United States Commissioner General of Immigration during the first years of the 20th Century.