Warren Hern, born June 29, 1938, is an American OB-GYN physician known for providing abortion services. As one of the first doctors to offer legal abortions in the United States after its legalization, Hern has become a prominent figure in reproductive health care. His clinic in Denver, Colorado, has been a frequent target of anti-abortion protests and threats throughout the decades. Despite facing numerous death threats and security concerns, he has continued to provide medical services to women in need. Hern is also a medical researcher who has published papers on abortion and reproductive health issues.