Project Orion was a study conducted in the 1950s and 1960s by the United States Air Force, DARPA, and NASA into the viability of a nuclear pulse spaceship that would be directly propelled by a series
NASA artist rendering, from 1999, of the Project Orion pulsed nuclear fission spacecraft
Frederick Reines, early 1950s, photo from Los Alamos
Freeman Dyson in 2005
Ted Taylor in 1965
Freeman Dyson
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Freeman John Dyson was a British-American theoretical physicist and mathematician who worked in quantum field theory, astrophysics, random matrices, mathematical formulation of quantum mechanics, cond
Project Orion (nuclear propulsion)
…including the 1963 Partial Test Ban Treaty, which prohibited nuclear explosions in space amid concerns over radioactive fallout. Physicists Ted Taylor and Freeman Dyson led the project, and Taylor has been described as the "driving force behind Orion". In 1979, General Dynamics donated a 26-inch-tall (66 cm) wooden…
Freeman Dyson at Harvard cropped
Freeman Dyson in 2007 at the Institute for Advanced Study