Scientific and Technological Events from 1950 C.E. to 1999 C.E.

© Copyright Andy Pepperdine, 2007 - 2010

Some of these entries need cross-checking against more citations.


Date

Science events

Political events

1952

Salk develops polio vaccine.

Briggs and King transfer cell nuclei to clone frogs.


1951 – 1953

Franklin provides the data for Crick and Watson to publish their double helix model of DNA in 1953


1957

Soviet Union launches Sputnik, the first artificial satellite.


1959

Mary Leakey and her husband Louis discover Zinjanthropus (later renamed) at Olduvai showing the strong likelihood of African origins for mankind.


1962

Carson publishes her book Silent Spring, which opened the debates on man's use of the environment.


1963

Gell-Mann and Zweig postulate a particle bound within known particles, later called a quark.


1964

Penzias and Wilson discover a residual signal, now known as the cosmic background radiation.


1969

Apollo 11 lands on Moon

First flight of Concorde.

First remote access of one computer from another across long-distance lines heralds Arpanet, the prototype of the Internet.


1970 – 1973

The Standard Model of particle physics emerges as a consensus.


1971

Three companies, TI, Intel and AiResearch independently design and produce a microprocessor.

Schadt and Helfrich invent the mechanism behind liquid crystal displays.


1977

Smallpox virus eradicated from the wild, but laboratory stocks remain.


1980

Rubin, Ford and Thonnard publish first paper on galaxy rotational anomalies that leads to theory of dark matter, based on work first announced in 1975.


1986


Nuclear accident at Chernobyl

1989

Tim Berners-Lee wrote a proposal that was to become the Internet. The first website went live in 1991 at CERN.


1996

A team at the Roslin Institute clone the first mammal, Dolly the sheep.



References


© Copyright Andy Pepperdine, 2007 - 2016

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