![Salk-Dr-Jonas-19xx.jpg](https://acurator.com/blog/Salk-Dr-Jonas-19xx.jpg)
An inquiry came in from a museum requesting permission to use one of Karsh's portraits of Dr. Jonas Salk in display materials. No high-res scan exists of the one they want but this image from the same session demonstrates Salk in action - he discovered and developed the first polio vaccine.
Dr. Jonas Salk, 1956 © Yousuf Karsh