File:Salk-child-Karsh.jpg

Licensing
Copyright search showed that no renewals were filed for any issues of the magazine. The photo credits on the inside title page states:


 * Dr. Jonas E. Salk (left) and photographer Yousuf Karsh of Ottawa calm the fears of a youthful volunteer for the polio inoculation, prior to taking the cover portrait for "WISDOM" in Doctor Salk's laboratory in Pittsburgh.