Henry Heimlich Henry Heimlich Henry Judah Heimlich (; February 3, 1920 – December 17, 2016) was an American thoracic surgeon and medical researcher. He is widely credited as the inventor of the Heimlich maneuver, a technique of abdominal thrusts for stopping choking, described in "Emergency Medicine" in 1974. He also invented the Micro Trach portable oxygen system for ambulatory patients and the Heimlich Chest Drain Valve, or "flutter valve", which drains blood and air out of the chest cavity. Heimlich was born in Wilmington, Delaware, the son of Mary (Epstein) and Philip Heimlich. His paternal grandparents were Hungarian-Jewish immigrants, and his maternal
What Is it Like to Be a Bat? perceptional experiences. While it is possible to imagine what it would be like to fly, navigate by sonar, hang upside down and eat insects like a bat, that is not the same as a bat's perspective. Nagel claims that even if humans were able to metamorphose gradually into bats, their brains would not have been wired as a bat's from birth; therefore, they would only be able to experience the life and behaviors of a bat, rather than the mindset. Such is the difference between subjective and objective points of view. According to Nagel, "our own mental activity is the