"What machine, that enables a person to breathe when the work of breathing exceeds their ability to do so, was invented by Phillip Drinker and Louis Agassiz Shaw in 1928 and improved upon by John Haven ""Jack"" Emerson in 1931?"
Louis Agassiz Shaw Jr. Louis Agassiz Shaw Jr. Louis Agassiz Shaw Jr. (September 25, 1886 – August 27, 1940) was an instructor of physiology at the School of Public Health of Harvard University, where he is credited in 1928 along with Philip Drinker for inventing the Drinker respirator, the first widely used iron lung. Shaw's parents were Louis Agassiz Shaw Sr. and Mary Elizabeth Saltonstall. Both parents came from wealthy and politically influential Boston Brahmin families with roots extending back to the "Mayflower". The couple's elder son was Quincy Adams Shaw III (born May 21, 1885). Louis Sr. died at home in Chestnut Hill
Louis Agassiz Shaw II Louis Agassiz Shaw II Louis Agassiz Shaw II (1906–1987) was an American socialite, writer and murderer. Shaw was born to Robert Gould Shaw II and Mary Hannington; the Shaws were a wealthy and influential Boston family. His father was a cousin of Colonel Robert Gould Shaw, noted for leading the first African-American regiment in the Union Army during the Civil War. He attended private school and Harvard University, where he graduated in 1929. Like Robert Gould Shaw, he was a member of the Porcellian Club, a men's-only final club at Harvard. Upon graduation Shaw published a novel, "Pavement" (1929), using