He completed his internship at St. Luke 's hospital in St. Louis .
Dr. Rusk graduated from the University of Missouri in 1923 and received his medical degree at Pennsylvania School of Medicine in 1925 .
Rusk completed Rusk 's internship at St. Luke 's hospital in St. Louis .
Dr. Rusk graduated from the University of Missouri in 1923 and received his medical degree at Pennsylvania School of Medicine in 1925 .