and in the process he built up an extraordinary collection of 2,374 imprudently ingested items. Today the Chevalier Jackson Foreign Body Collection is housed in a cabinet in the basement of the Mütter Museum of the College of Physicians of Philadelphia. Each object is fastidiously cataloged by age and sex of the swallower; type of object; whether it lodged in the trachea, larynx, esophagus, bronchus, stomach, pleural cavity, or elsewhere; whether it proved fatal or not; and by what means it was removed. It is presumed to be the world’s largest assemblage of the extraordinary