Warren Martin Hern (1938) is an American physician best known for performing late-term abortions. In 1973, he founded Boulder Abortion Clinic in Boulder, Colorado. Hern was a founding member of the National Abortion Federation, and authored Abortion Practice
, a comprehensive text on operating and evaluating abortion facilities. He has expressed outrage over the May 31, 2009 killing of George Tiller, a doctor who offered similar services, in Wichita. In the aftermath of Tiller's murder, Hern's clinic has continued to receive threats.
Hern also works as a volunteer providing medical care to the Shipibo tribe in Peru.Warren Hern in Wikipedia