 Paul and Dwight Harken, a HMS classmate and brilliant chest surgeon, removed bullets and shrapnel from in and around the hearts and great vessels of 138 soldiers without a fatality.After the war, Paul resumed his research work with coronary disease and continued to care for cardiac patients at Beth Israel Hospital.A life changing event affected Paul in 1947 when a woman directly under his care who suffered from fainting spells caused by increasingly prolonged periods of cardiac arrest, died.