Lee Salk Lee Salk Lee Salk (December 22, 1926 - May 2, 1992) was a child psychologist and author who is credited with discovering the calming effect the sound of a heartbeat has on infants. During the last third of his life, Dr. Salk made a great deal of public appearances on various television shows and lecture halls. He used these venues to dispense advice on how to rear children, especially infants. Salk was the younger son of Russian Jewish immigrants, Dora (Press) and Daniel Salk. He was born and reared in New York. Jonas Salk, inventor of the polio vaccine, was
Jonas Salk of my first year of medical school, I received an opportunity to spend a year in research and teaching in biochemistry, which I did. And at the end of that year, I was told that I could, if I wished, switch and get a Ph.D. in biochemistry, but my preference was to stay with medicine. And, I believe that this is all linked to my original ambition, or desire, which was to be of some help to humankind, so to speak, in a larger sense than just on a one-to-one basis." Concerning his last year of medical school Salk says: