Leonard Keene Hirshberg (January 9, 1877 - 1969), best known as Leonard K.
Hirshberg was an American physician who was convicted of mail fraud.Hirshberg was born in Baltimore from a Jewish family.
He obtained his M.D.
from Johns Hopkins University in 1902.
He had a successful career as a health writer with his articles appearing in mainstream medical columns and journals.
With H.
L.
Mencken he collaborated on a series of baby care articles, these were published in What You Ought to Know About Your Baby (1910).In September, 1922 Hirshberg was convicted of defrauding investors in a mail fraud investment scam of one millions dollars.Hirshberg was also a skeptic.
He was highly critical of the claims of the medium Eusapia Palladino.