Murphy's law is an adage or epigram that is typically stated as: "Anything that can go wrong will go wrong." Though similar statements and concepts have been made over the course of history, the law itself was coined by, and named after, American aerospace engineer Edward A. Murphy Jr.; its exact origins are debated, but it is generally agreed it originated from Murphy and his team following a mishap during rocket sled tests some time between 1948 and 1949, and was finalized and first popularized by testing project head John Stapp during a later press conference. Murphy's original quote was the precautionary design advice that "If there are two or more ways to do something and one of those results in a catastrophe, then someone will do it that way." The law entered wider public knowledge in the late 1970s with the publication of Arthur Bloch's 1977 book Murphy's Law, and Other Reasons Why Things Go WRONG, which included other variations and corollaries of the law. Since then, Murphy's law has remained a popular adage, though its accuracy has been disputed by academics. Similar "laws" include Sod's law, Finagle's law, and Yhprum's law, among others.
History
The perceived perversity of the universe has long been a subject of comment, and precursors to the modern version of Murphy's law are abundant. According to Robert A. J. Matthews in a 1997 article in Scientific American, the name "Murphy's law" originated in 1949, but the concept itself had already long since been known. As quoted by Richard Rhodes, Matthews said, "The familiar version of Murphy's law is not quite 50 years old, but the essential idea behind it has been around for centuries. […] The modern version of Murphy's Law has its roots in U.S. Air Force studies performed in 1949 on the effects of rapid deceleration on pilots." Matthews goes on to explain how Edward A. Murphy Jr. was the eponym, but only because his original thought was modified subsequently into the now established form that is not exactly what he himself had said. Research into the origin of Murphy's law has been conducted by members of the American Dialect Society (ADS). Mathematician Augustus De Morgan wrote on June 23, 1866: "The first experiment already illustrates a truth of the theory, well confirmed by practice, what-ever can happen will happen if we make trials enough." In later publications "whatever can happen will happen" occasionally is termed "Murphy's law", which raises the possibility that "Murphy" is simply "De Morgan" misremembered. ADS member Stephen Goranson found a version of the law, not yet generalized or bearing that name, in a report by Alfred Holt at an 1877 meeting of an engineering society.
It is found that anything that can go wrong at sea generally does go wrong sooner or later, so it is not to be wondered that owners prefer the safe to the scientific … Sufficient stress can hardly be laid on the advantages of simplicity. The human factor cannot be safely neglected in planning machinery. If attention is to be obtained, the engine must be such that the engineer will be disposed to attend to it.
ADS member Bill Mullins found a slightly broader version of the aphorism in reference to stage magic. The British stage magician Nevil Maskelyne wrote in 1908:
It is an experience common to all men to find that, on any special occasion, such as the production of a magical effect for the first time in public, everything that can go wrong will go wrong. Whether we must attribute this to the malignity of matter or to the total depravity of inanimate things, whether the exciting cause is hurry, worry, or what not, the fact remains.
In astronomy, "Spode's Law" refers to the phenomenon that the skies are always cloudy at the wrong moment; the law was popularized by amateur astronomer Patrick Moore but dates from the 1930s. In 1948, humorist Paul Jennings coined the term resistentialism, a jocular play on resistance and existentialism, to describe "seemingly spiteful behavior manifested by inanimate objects", where objects that cause problems (like lost keys or a runaway bouncy ball) are said to exhibit a high degree of malice toward humans. In 1952, as an epigraph to the mountaineering book The Butcher: The Ascent of Yerupaja, John Sack described the same principle, "Anything that can possibly go wrong, does", as an "ancient mountaineering adage".
Association with Murphy
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