[PAR] [TLE] Great Depression [SEP] 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. [PAR] [TLE] Lyman James Briggs [SEP] Lyman James Briggs (May 7, 1874 – March 25, 1963) was an American engineer, physicist and administrator.  He was a director of the National Bureau of Standards during the Great Depression and chairman of the Uranium Committee before America entered the Second World War.  The Lyman Briggs College at Michigan State University is named in his honor.
[PAR] [TLE] Great Depression [ SEP ] 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 . [PAR] [TLE] Lyman James Briggs [ SEP ] Lyman James Briggs ( May 7 , 1874 – March 25 , 1963 ) was an American engineer , physicist and administrator . He was a director of the National Bureau of Standards during the Great Depression and chairman of the Uranium Committee before America entered the Second World War . The Lyman Briggs College at Michigan State University is named in his honor .
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?
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 ?
mostly during the 1930s
mostly during the 1930s