Henry Hazlitt was born on November 28, 1894 in Philadelphia, Pennsylvania and raised in Brooklyn, New York. Son of Stuart Hazlitt and Bertha Zauner.
His father having died when Hazlitt was an infant. He attended New York's tuition-free City College, but left after only a short time in order to support his twice-widowed mother.
Hazlitt died at the age of 98.