His father is a physicist and his mother is an educational consultant.
He was a member of the school band as a French horn player.
He was subjected to considerable harassment from some of his classmates as he was the only Jewish student.
He admits to smoking heavy amounts of marijuana as an undergrad.
HDH held numerous jobs, including contingency planner for the New Jersey Department of Human Services, contract administrator for City University of New York, puppeteer for children with disabilities, construction worker, caterer, busboy, shelf stocker at Woolworth's, and bartender at a local blue-collar bar, the Franklin Tavern.
He moved to NYC in 1986 to try his hand at the local comedy club circuit but didn’t get on stage until 1987.
He began using his stage name by dropping his last name Liebowitz and changing the spelling of his middle name.
In 1991 he began hosting Comedy Central’s Short Attention Span Theater.
In 1993 he was a finalist to replace David Letterman who was leaving NBC, but Conan O’Brien was hired instead.
Later that year he developed his own show on MTV that became an instant hit. It was the first talk show on MTV and the second rated show behind Bevis & Butthead. It was later cancelled due to poor ratings as a result of having a 2:00 AM timeslot in most areas.
In 1998 he released his first book Naked Pictures of Famous People.
In 1999 he began hosting The Daily Show on Comedy Central and has won a total of nine Emmys as either a writer or a producer.
He married long-time girlfriend Tracey McShane in November 2000 and had their first child Nathan Thomas in 2004. Their second child Maggie Rose was born in 2006.
In 2004 America (The Book), a mock high school history texbook which ended the year as a top 15 best-seller.
In 2006 HDH hosted the 78th Academy Awards.
This weeks Hump Day Hottie is ~ Jon Stewart