A biography of the scientist who developed a vaccine that conquered polio.
A biography of the scientist and humanitarian who discovered the vaccine for polio, a disease which crippled many people in the early part of the century.
A biography of the scientist and humanitarian who discovered the vaccine for polio, a disease which crippled many people in the early part of the twentieth century.
Discusses the life and accomplishments of Jonas Salk, including his discovery of the vaccine against polio and his work on influenza and AIDS.
A biography of the scientist and humanitarian who discovered the vaccine for polio, a disease which crippled many people in the early part of the twentieth century.