Grace hopper

[hop-er] /ˈhɒp ər/

Edward, 1882–1967, U.S. painter and etcher.
Grace Murray, 1906–92, U.S. naval officer and computer scientist.
(William) De Wolf
[duh-woo lf] /də wʊlf/ (Show IPA), 1858–1935, U.S. actor.
a person or thing that hops
a funnel-shaped chamber or reservoir from which solid materials can be discharged under gravity into a receptacle below, esp for feeding fuel to a furnace, loading a railway truck with grain, etc
a machine used for picking hops
any of various long-legged hopping insects, esp the grasshopper, leaf hopper, and immature locust
Also called hoppercar. an open-topped railway truck for bulk transport of loose minerals, etc, unloaded through doors on the underside
(South African) another name for cocopan
(computing) a device formerly used for holding punched cards and feeding them to a card punch or card reader
Edward. 1882–1967, US painter, noted for his realistic depiction of everyday scenes

“person or animal that hops,” mid-13c., agent noun from hop (v.). From c.1200 as a surname, and perhaps existing in Old English (cf. hoppestre “female dancer”).

“container with narrow opening at bottom,” late 13c., perhaps an agent noun from hop (v.) via notion of grain juggling in a mill hopper.
American mathematician and computer programmer who in 1951 conceived the idea for an internal computer program, called a compiler, that scanned a set of alphanumeric instructions (such as words and symbols) and compiled a set of binary instructions executed by the machine. Her ideas were widely influential in the development of programming languages, in particular COBOL.


A ground ball that hops along (1940s+ Baseball)
US Navy Rear Admiral Grace Brewster Hopper (1906-12-09 to 1992-01-01), née Grace Brewster Murray.
Hopper is believed to have concieved the concept of the compiler with the A-0 in 1952. She also developed the first commercial high-level language, which eventually evolved into COBOL. She worked on the Mark I computer with Howard Aiken and with BINAC in 1949.
She is credited with having coined the term “debug”, and the adage “it is always easier to ask forgiveness than it is to get permission” (with various wordings), which has been the guiding principle in sysadmin decisions ever since.
See also the entries debug and bug.
Hopper is buried at Arlington National Cemetery. In 1994, the US Navy named a new ship, the guided-missile destroyer USS Hopper (, after her.


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