The concept of the Dyson sphere was the result of a thought experiment by physicist and mathematician Freeman Dyson, when he theorized that all technological civilizations constantly increased their demand for energy.

However, Dyson was not the first to advance this idea.

Dyson's father was the English composer Sir George Dyson ;

his mother was trained as a lawyer but after Dyson was born worked as a social worker.

Despite sharing a last name, he is not related to the early 20th century astronomer Frank Watson Dyson, but as a small boy Freeman Dyson was aware of Frank Watson Dyson.

Dyson was a Scholar at the renowned Winchester College from 1936 to 1941.

Dyson was the first person ( besides Feynman ) to appreciate the power of Feynman diagrams, and his 1949 paper ( written in 1948 ) was the first paper using them.

Robert Oppenheimer, in particular, was persuaded by Dyson that Feynman's new theory was as valid as Schwinger's and Tomonaga's.

Dyson was awarded the Lorentz Medal in 1966, Max Planck medal in 1969 and the Harvey Prize in 1977.

In 1993, Dyson was given the Enrico Fermi Award.

In 2000, Dyson was awarded the Templeton Prize for Progress in Religion.

In 2003, Dyson was awarded the Telluride Tech Festival Award of Technology in Telluride, Colorado.

Dyson has been interested in space travel since he was a child, reading such science fiction classics as Olaf Stapledon's Star Maker.

Dyson says that the report showed that even from a narrow military point of view the US was better off not using nuclear weapons.

Dyson stated on the Dick Cavett show that the use of nuclear weaponry was a bad idea for the US at the time because " our targets were big and theirs were small.

Historically they were sometimes called Feynman-Dyson diagrams or Dyson graphs, because when they were introduced the path integral was unfamiliar, and Freeman Dyson's derivation from old-fashioned perturbation theory was easier to follow for physicists trained in earlier methods.

Banks played well, but with the right back Len Chalmers carrying an injury, was powerless to prevent second half goals from Bobby Smith and Terry Dyson giving Spurs a 2 – 0 win and the first " double " of the 20th century.

He was aware of her as a frightfully good-looking American WAC, a second lieutenant assigned to do the paper work, ( regardless of how important she might have thought she was ) in the Command offices, but that was all.

Hamilton was bent over his desk, drafting a legal paper by the light of a candle.

Years were to pass before these plans came off the paper, and Wright was justified in thinking, as the projects failed, that much of what he had to show his country and the world would never be seen except by visitors to Taliesin.

The country was now full of Gazettes and Samuel C. Atkinson and Charles Alexander, who had just taken over Franklin's old paper, desired a more distinctive name.

But during the second half of the century its fortunes reached a low point and when in 1897 Cyrus H. K. Curtis purchased it -- `` paper, type, and all '' -- for $1,000 it was a 16-page weekly filled with unsigned fiction and initialed miscellany, and with only some 2,000 subscribers.

For years he wore hand-me-down suits and homemade paper collars, was even driven to scrounging for cigarette butts in Vienna's gutters.

He had thought that the suggestion of taking it himself would tip the colonel in the direction of serving his own order, but the slip of paper was folded and absently thrust into the colonel's belt.

Once her trembling hand, with the pen grasped tight in it, was pressed against the paper the words came sharply, smoothly, as authoritatively as they would dropping from her own lips.

In the kitchen, Leona, his little young wife, was reading the morning paper.

An excellent summary of advantages concerning the uniform fiscal year and coordinated fiscal calendars was contained in a paper presented by a public finance authority recently.

This paper was signed by forty-five persons, subscribing a total of two hundred shares.

A detailed study of this latter phenomenon was not attempted in this paper.

Paper electrophoresis was carried out on the concentrated samples in a Spinco model R cell using barbital buffer, pH 8.6, ionic strength 0.075, at room temperature on Whatman 3MM filter paper.

When paper electrophoresis was to be used for preparation, eight strips of a whole serum sample or a chromatographic fraction concentrated by negative pressure dialysis were run/chamber under the conditions described above.

With due consideration for the limits of precision in assessing, expected rate of change in ossification of girls age 2 years, and the known variations in rate of ossification of these children as described in our preceding paper in the Supplement, each arrow with a `` shaft length '' of four months or less was selected as indicating `` same schedule '' at Onset and Completion, for this particular epiphysis.

The action was a result of a court order, the citation for which ( and for other court action mentioned in this paper ) is taken from the Summary Report for this Conference.

It was for this reason, and no other that I can see, that in September 1912, Braque took the radical and revolutionary step of pasting actual pieces of imitation-woodgrain wallpaper to a drawing on paper, instead of trying to simulate its texture in paint.

It was `` window '' -- the tinsel paper dropped by bombers to jam radar sets, to fill the scope with hundreds of blips that would seem to be approaching bombers.

This cold reckoning of human worth in a legal paper, devoid of compassion or humanity, was all he needed.

The figures on the worksheet paper in front of her were jumping and waving around so badly it was all she could do to make them out clearly enough to copy them with the typewriter.

By the time Felix turned up it was early afternoon, which, one would think, would be late enough so that by then, except for small children and a few hardy souls who had not yet sobered up, it could have been expected that people would no longer be having any sort of active interest in the previous night's noisemakers and paper hats.

If I could put your body in an imaginary atomic press and squeeze you down, squeeze these holes out of you in the way we squeeze the holes out of a sponge, you would get smaller and smaller until finally when the last hole was gone, you would be smaller than the smallest speck of dust that you could see on this piece of paper.

Diario De La Marina was the oldest and most influential paper in Cuba, with a reputation for speaking out against tyranny.

it was also sacred, `` and no believer in an inspired church could tolerate having her canons examined as we should examine human laws ''.

It was at that party that, finally overcoming my timidity, inspired by tales only half-understood and overheard among older boys, I asked Jessie to spend New Year's Eve with me.

This carbine ( under $140, about $15 more for a deluxe grade ) has an 18-1/2-inch barrel and was obviously inspired by the popularity of last year's Model 760 pump with a short-barrel.

As he leads the Neurenschatz Skolkau Orchestra, Schlek gives a tremendously inspired performance of both the Baslot and Rattzhenfuut concertos, including the controversial Tschilwyk cadenza, which was included at the conductor's insistence.

Newspaper punditry was inspired to remind everyone that Judas, too, had been able to smile.

To ask me to believe that so inexpressibly marvelous a book was written long after all the events by some admiring follower, and was not inspired directly by the Spirit of God, is asking me to accept a miracle far greater than any of those recorded in the Bible.

The great seal of the United States was obviously inspired by the Christian faith.

The Hopkinsian universal disinterested benevolence, although holding to original sin and the doctrine of election, inspired its adherents to heroic endeavours for others, looked for the early coming of the Millennium, and was paralleled by the confidence in man's ability cherished by the Unitarians, Emerson, and the Transcendentalists.

Several of the sights on her trip inspired her, and they found their way into her poem, including the World's Columbian Exposition in Chicago, the " White City " with its promise of the future contained within its alabaster buildings ; the wheat fields of America's heartland Kansas, through which her train was riding on July 16 ; and the majestic view of the Great Plains from high atop Zebulon's Pikes Peak.

Just as Bates had been inspired to write her poem, Ward too was inspired to compose his tune.

James Johnson argued that A Modest Proposal was largely influenced and inspired by Tertullian ’ s Apology: a satirical attack against early Roman persecution of Christianity.

' His Nemesis, a prose tragedy in four acts about Beatrice Cenci, partly inspired by Percy Bysshe Shelley's The Cenci, was printed while he was dying.

Van Vogt's first published SF story, " Black Destroyer " ( Astounding Science Fiction, July 1939 ), was inspired by Voyage of the Beagle by Charles Darwin.

: They Came to Baghdad was inspired by Christie's own trips to Baghdad with Mallowan, and involves an archaeologist as the heroine's love interest.

The technique of " triangulation ", which was inspired by sewing lessons he took from an embroideress, is still used today.

Military action was heavily influenced by the Russian military, which inspired and manipulated the rivalry between the two neighbouring nations in order to keep both under control.

He was inspired by several others ( including Honoré Blanc ), or at least by the contemporary zeitgeist that was building around such ideas.

These symbols show the deep religiosity of Gaudi, who was inspired by the contemporaneous construction of his basilica to choose the theme of the holy family.

It was inspired by the English garden city movement ; hence the original English name Park ( in the Catalan language spoken in Catalonia where Barcelona is located, the word for " Park " is " Parc ", and the name of the place is " Parc Güell " in its original language ).

Moyers was inspired to focus on the song's power after watching a performance at Lincoln Center, where the audience consisted of Christians and non-Christians, and he noticed that it had an equal impact on everybody in attendance, unifying them.

The iconography of the tympanum and archivolts of the late 13th-century portal of Strasbourg Cathedral was inspired by the writings of Albertus Magnus.