A stooped, bespectacled man disembarked last week from the Swedish ship Drottningholm, hurried to the campus of Pennsylvania's sedate Swarthmore College where he delivered the first of a series of endowed lectures on respiration. His first audiencebiology students, faculty members, townspeoplenumbered about 150.
Schack August Steenberg Krogh won a Nobel Prize in 1920 for his studies on the mechanism of blood supply to muscles, showing that a muscle's capillaries work in squads or shifts, most of them remaining closed when the muscle is resting. His great work on respiration, published in 1916, was on the mechanism of gas exchange (carbon dioxide...
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