Freeman Dyson information

Freeman Dyson
FRS
Freeman Dyson FRS
	Dyson at the Long Now Seminar in San Francisco, California, in 2005
Born	Freeman John Dyson; 15 December 1923; Crowthorne, Berkshire, England
Died	28 February 2020 (aged 96); Princeton, New Jersey, U.S.
Nationality	British-American
Alma mater	Trinity College, Cambridge; Cornell University;
Known for	Circular ensemble; Crank conjecture; Crank of a partition; Rank of a partition; Random matrix theory; Stability of matter; Self-replicating machine; Quantum electrodynamics; Helios propulsion system; Project Orion; TRIGA; Advocacy against nuclear weapons; Dyson sphere;
Spouses	Verena Huber (m. 1950; div. 1958); Imme Jung (m. 1958⁠–⁠2020);
Children	6, including Esther Dyson and George Dyson
Awards	Heineman Prize (1965); Lorentz Medal (1966); Hughes Medal (1968); Max Planck Medal (1969); Harvey Prize (1977); Wolf Prize (1981); Andrew Gemant Award (1988); Matteucci Medal (1989); Oersted Medal (1991); Enrico Fermi Award (1993); Templeton Prize (2000); Pomeranchuk Prize (2003); Henri Poincaré Prize (2012);
	Scientific career
Fields	Physics, mathematics
Institutions	Royal Air Force; Institute for Advanced Study; University of Birmingham; Cornell University;
Academic advisors	Hans Bethe
Website	ias.edu/sns/dyson
Notes
	He was the son of George Dyson.

Freeman John Dyson FRS (15 December 1923 – 28 February 2020)^[1] was a British-American theoretical physicist and mathematician known for his works in quantum field theory, astrophysics, random matrices, mathematical formulation of quantum mechanics, condensed matter physics, nuclear physics, and engineering.^[a]^[3] He was professor emeritus in the Institute for Advanced Study in Princeton and a member of the board of sponsors of the Bulletin of the Atomic Scientists.^[4]

Dyson originated several concepts that bear his name, such as Dyson's transform, a fundamental technique in additive number theory,^[5] which he developed as part of his proof of Mann's theorem;^[6] the Dyson tree, a hypothetical genetically engineered plant capable of growing in a comet; the Dyson series, a perturbative series where each term is represented by Feynman diagrams; the Dyson sphere, a thought experiment that attempts to explain how a space-faring civilization would meet its energy requirements with a hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output; and Dyson's eternal intelligence, a means by which an immortal society of intelligent beings in an open universe could escape the prospect of the heat death of the universe by extending subjective time to infinity while expending only a finite amount of energy.

Dyson disagreed with the scientific consensus on climate change. He believed that some of the effects of increased CO₂ levels are favourable and not taken into account by climate scientists, such as increased agricultural yield, and further that the positive benefits of CO₂ likely outweigh the negative effects.^[7]^[8]^[9] He was skeptical about the simulation models used to predict climate change, arguing that political efforts to reduce causes of climate change distract from other global problems that should take priority.

^ ^a ^b George Dyson (June 2022). "Freeman John Dyson. 15 December 1923—28 February 2020". Biographical Memoirs of Fellows of the Royal Society. 73: 197–226. doi:10.1098/RSBM.2021.0050. ISSN 0080-4606. Wikidata Q115731803.
^ Cite error: The named reference spouseobit was invoked but never defined (see the help page).
^ Cite error: The named reference brit was invoked but never defined (see the help page).
^ Cite error: The named reference thebulletin.org was invoked but never defined (see the help page).
^ Nathanson 1996, p. 42.
^ Halberstam & Roth 1983.
^ Dawidoff 2009.
^ Cite error: The named reference CTM27 was invoked but never defined (see the help page).
^ Connor 2011.

Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).

[rsbm-1] George Dyson (June 2022). "Freeman John Dyson. 15 December 1923—28 February 2020". Biographical Memoirs of Fellows of the Royal Society. 73: 197–226. doi:10.1098/RSBM.2021.0050. ISSN 0080-4606. Wikidata Q115731803.

[spouseobit-2] Cite error: The named reference spouseobit was invoked but never defined (see the help page).

[brit-4] Cite error: The named reference brit was invoked but never defined (see the help page).

[thebulletin.org-5] Cite error: The named reference thebulletin.org was invoked but never defined (see the help page).

[FOOTNOTENathanson199642-6] Nathanson 1996, p. 42.

[FOOTNOTEHalberstamRoth1983-7] Halberstam & Roth 1983.

[FOOTNOTEDawidoff2009-8] Dawidoff 2009.

[CTM27-9] Cite error: The named reference CTM27 was invoked but never defined (see the help page).

[FOOTNOTEConnor2011-10] Connor 2011.

Freeman Dyson information

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Freeman Dyson FRS
Dyson at the Long Now Seminar in San Francisco, California, in 2005
Born	Freeman John Dyson (1923-12-15)15 December 1923 Crowthorne, Berkshire, England
Died	28 February 2020(2020-02-28) (aged 96) Princeton, New Jersey, U.S.
Nationality	British-American
Alma mater	Trinity College, Cambridge Cornell University
Known for	Circular ensemble Crank conjecture Crank of a partition Rank of a partition Random matrix theory Stability of matter Self-replicating machine Quantum electrodynamics Helios propulsion system Project Orion TRIGA Advocacy against nuclear weapons Dyson sphere
Spouses	Verena Huber (m. 1950; div. 1958) ^[2] Imme Jung (m. 1958⁠–⁠2020)
Children	6, including Esther Dyson and George Dyson^[1]
Awards	Heineman Prize (1965) Lorentz Medal (1966) Hughes Medal (1968) Max Planck Medal (1969) Harvey Prize (1977) Wolf Prize (1981) Andrew Gemant Award (1988) Matteucci Medal (1989) Oersted Medal (1991) Enrico Fermi Award (1993) Templeton Prize (2000) Pomeranchuk Prize (2003) Henri Poincaré Prize (2012)
Scientific career
Fields	Physics, mathematics
Institutions	Royal Air Force Institute for Advanced Study University of Birmingham Cornell University
Academic advisors	Hans Bethe

Website	ias.edu/sns/dyson
Notes
He was the son of George Dyson.

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