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.
Presents a profile of twentieth-century scientist Jonas Salk, developer of the polio vaccine, discussing his childhood in New York, his education, and the significance of his vaccine and other research in medical science.
Simple text and photographs teach young readers about the importance of teamwork, using the experiences of mountain climbers Sir Edmund Hillary and Tenzing Norgay, who worked together to climb the world's highest mountain.
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.
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.