Bill Gosper

Bill Gosper

Infobox Person
name = Ralph William Gosper, Jr

image_size = 150px
birth_date = 1943
birth_place =
occupation = Programmer
employer =
residence =
nationality = American
field = computer scientist, mathemtician
work_institutions = Xerox PARC, Symbolics, Wolfram Research, the Lawrence Livermore Laboratory, Macsyma Inc.
alma_mater = MIT
known_for =

Ralph William Gosper, Jr., (born 1943) known as Bill Gosper, is an American mathematician and programmer from Pennsauken Township, New Jersey. [ [ Bill Gosper] , Vintage Computer Festival. Accessed January 3, 2007.] Along with Richard Greenblatt, he may be considered to have founded the hacker community, and holds a place of pride in the Lisp community. He is also noted for his work on continued fractional representations of real numbers, and for suggesting the algorithm (which bears his name) for finding closed form hypergeometric identities.

Gosper enrolled in MIT in 1961, and received his bachelor's degree in mathematics from MIT in 1965. After taking a course on programming in his second year with John McCarthy, Gosper became affiliated with the MIT AI Lab. His contributions to computational mathematics include HAKMEM [] and the MIT Maclisp system. He also made major contributions to the Macsyma computer algebra system at MIT, later working with Symbolics and Macsyma, Inc. on the greatly improved commercial versions.

He became intensely interested in the Game of Life shortly after John Horton Conway had proposed it. Conway conjectured on the existence of infinitely growing patterns, and offered a reward for an example. Gosper was the first to find such a pattern (specifically, the Glider gun), and won the prize. Gosper was also the originator of the hashlife algorithm that can speed up the computation of Life patterns by many orders of magnitude.

In the 1970s Gosper moved to California for a three year stint at Stanford, where he lectured and helped Donald Knuth write volume II of The Art of Computer Programming.

Since that time, he has worked at or consulted for Xerox PARC, Symbolics, Wolfram Research, the Lawrence Livermore Laboratory, and Macsyma Inc.

Gosper has created numerous packing problem puzzles, such as "Twubblesome Twelve".

ee also

*Gosper curve


External links

* [ Bill Gosper's webpage]
* [ Bill Gosper's Graphics]
* [ Twubblesome Twelve] Puzzle - version for the free Mathematica Player

NAME=Gosper, William
SHORT DESCRIPTION=American mathematician, programmer/hacker
PLACE OF BIRTH=Pennsauken Township, New Jersey

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  • Bill Gosper — Saltar a navegación, búsqueda Bill Gosper en 2006 Ralph William Gosper, Jr., (nacido en 1943) conocido como Bill Gosper, es un matemático y programador estadounidense de Pennsauken …   Wikipedia Español

  • Bill Gosper — R. William Gosper, Jr. (* 1943), bekannt als Bill Gosper, ist ein US amerikanischer Mathematiker und Programmierer …   Deutsch Wikipedia

  • Bill Gosper — Pour les articles homonymes, voir Gosper. Bill Gosper en 2006. Bill Gosper (nom complet Ralph William Gosper, Jr.) est un mathématicien et informaticien …   Wikipédia en Français

  • Gosper — may refer to: *Gosper County, Nebraska *Gosper curve *Bill Gosper, American mathematician *Kevan Gosper, Australian athlete and 1956 Olympic medalist *John J. Gosper (1843 1913), Nebraska Secretary of State (1873 1875) and Secretary of Arizona… …   Wikipedia

  • Gosper — ist der Name eines Countys in Nebraska, siehe Gosper County und ist der Name von folgenden Personen Bill Gosper (R. William Gosper, Jr.), Mathematiker und Programmierer Kevan Gosper (* 1933), australischer Sprinter Sonstiges Gosper Kurve …   Deutsch Wikipedia

  • Gosper-Kurve — Die Gosper Kurve benannt nach Bill Gosper ist ein fraktales Objekt, das ähnlich wie die Drachenkurve und die Hilbert Kurve durch Ersetzung erzeugt wird: Eine Gosper Kurve der Stufe 4 Die Strecke zwischen dem roten und grünen Punkt wurde dur …   Deutsch Wikipedia

  • Gosper's algorithm — In mathematics, Gosper s algorithm is a procedure for finding sums of hypergeometric terms that are themselves hypergeometric terms. That is: suppose we have a(1) + ... + a(n) = S(n) S(0), where S(n) is a hypergeometric term (i.e., S(n+1)/S(n) is …   Wikipedia

  • Gosper — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Le nom Gosper peut désigner : Bill Gosper, un mathématicien et informaticien américain (1943 ). Kevan Gosper, un athlète australien (1933 ). John Jay …   Wikipédia en Français

  • Gosper curve — The Gosper curve, named after Bill Gosper, also known as the flowsnake (a spoonerism of snowflake), is a space filling curve. It is a fractal object similar in its construction to the dragon curve and the Hilbert also*Fractal *List of… …   Wikipedia

  • Courbe de Gosper — à la 4ème itération La Courbe de Gosper, baptisée d après son découvreur Bill Gosper, est une courbe de Peano remplissant le plan. Il s agit d une courbe fractale, voisine, dans sa construction, à la courbe du dragon ou la courbe de Hilbert …   Wikipédia en Français

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