The Story
Polish-American medical researcher (1906-1993), best known for developing the oral polio vaccine, which played a key role in nearly erradicating the disease.
Card signed by him. Size is 5 x 3 inches, in excellent condition.
Description
Polish-American medical researcher (1906-1993), best known for developing the oral polio vaccine, which played a key role in nearly erradicating the disease.
Card signed by him. Size is 5 x 3 inches, in excellent condition.
















