Gold, Thomas (1920–2004)
Among his many other original and frequently unorthodox ideas have been the "garbage theory," of the origin of life and the highly controversial notion, known as the deep, hot biosphere hypothesis, about which Gold wrote a book,1 that petroleum deposits formed non-biologically at great depths. This hypothesis would explain, Gold believed, the surprisingly high concentration of helium found in petroleum since as the liquid rose to the surface it would collect helium from the many kilometers of rock through which it percolated. A few kilometers underground, as Gold saw it, the upwelling petroleum acts as a nutrient for deep-dwelling microorganisms that are the source of the biological molecules found in crude oil. Gold argued that a number of planets, moons, and even asteroids in the Solar System might have internal hydrocarbon reserves, which could provide an energy source for subterranean microbes. Titan, in particular, which has methane and ethane in its atmosphere, he considers a promising place to look for subsurface life.
Born in Vienna, Gold became a refugee from the Austrian Anschluss and gained his BA in 1942 from Cambridge University, England. He lectured there in physics from 1948 to 1952 before joining the Royal Greenwich Observatory as chief assistant to the Astronomer Royal. He moved to the United States in 1956, founding the Center for Radiophysics and Space Research at Cornell University and serving as its first director from 1959 to 1981, and as professor of astronomy from 1971 to 1986. He was also on the EASTEX committee.
External linkObituary (The Guardian)
Related category• ASTRONOMERS AND ASTROPHYSICISTS
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