Clarke's three laws

1942

an uninformed public tends to confuse scholarship with magicians..." It also echoes a statement in a 1942 story by Leigh Brackett: "Witchcraft to the ignorant, … simple science to the learned".

1952

In 1952, Isaac Asimov in his book Foundation and Empire (part 1.1 Search for Magicians) wrote down a similar phrase "...

1962

Clarke's first law was proposed in the 1962 edition of the essay, as "Clarke's Law" in Profiles of the Future. The second law is offered as a simple observation in the same essay but its status as Clarke's second law was conferred by others.

1968

It was published in a 1968 letter to Science magazine and eventually added to the 1973 revision of the "Hazards of Prophecy" essay.

1973

It was initially a derivative of the first law and formally became Clarke's second law where the author proposed the third law in the 1973 revision of Profiles of the Future, which included an acknowledgement.

It was published in a 1968 letter to Science magazine and eventually added to the 1973 revision of the "Hazards of Prophecy" essay.




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