Noted scientist and sons Philadelphia, Pennsylvania . . . "I would not hesitate to use the vaccine on my sons," stated Dr.John A. Kolmer of Temple University Hospital in Philadelphia, who claims to have discovered a vaccine for the prevention of infantile paralysis. He is shown here with his boys whom he would subject to the vaccine if necessary. This picture was made at the Kolmers' summer home near Ventnor, New Jersey. Left to right are: John A. Kolmer Jr., age 15, Dr. John A. Kolmer, and Daniel Kolmer, age 11 years.

Photo is dated 1934.

Photo measures 8.5 x 6.5 inches.