Henry Heimlich from a heart attack in his home in Hyde Park, Cincinnati, on December 12. He was 96 years old. 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
Remote procedure call invocation. RMIs in turn fell in popularity with the rise of the internet, particularly in the 2000s. Remote procedure calls used in modern operating systems trace their roots back to the RC 4000 multiprogramming system, which used a request-response communication protocol for process synchronization. The idea of treating network operations as remote procedure calls goes back at least to the 1970s in early ARPANET documents. In 1978, Per Brinch Hansen proposed Distributed Processes, a language for distributed computing based on "external requests" consisting of procedure calls between processes. Bruce Jay Nelson is generally credited with coining the term "remote procedure