Title: Jonas Salk
Description: 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.
Subjects: Biography, History, Juvenile literature, Poliomyelitis vaccine, Scientists, Virologists, Salk, jonas, 1914-1995, Poliomyelitis
Places: United States
People: Jonas Salk (1914-)