Dr. David Frederick Hepburn (born August 5, 1958, Canada) is a retired medical doctor and Canadian author as well. He served as Canadian Naval Surgeon in the Persian Gulf War held in 1991. He wrote a book named Doctor is In(sane) and also used to write the columns in the names of Patch Adams and Dave Barry who are of podium and medicine respectively. These columns are published at the same time in the United States and Canada, as well as in a radio show named ‘WiseQuack’.