![](https://karsh.org/wordpress/wp-content/uploads/2019/12/Yousuf-Karsh-John-Enders-1975-1565x1960.jpg)
John Enders, PhD, was an American biomedical scientist and Nobel Laureate who has been called “The Father of Modern Vaccines.” He was photographed for “Healers of Our Age”, a limited edition portfolio of portraits that Karsh produced with Polaroid.
Dr. Enders was photographed on this day, March 18, in 1975.