John Joseph Hopfield

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John Joseph Hopfield (b. July 15, 1933) is an American scientist most widely known for his invention of an associative neural network in 1982. It is now more commonly known as the Hopfield Network.

He is currently a professor in the department of Molecular Biology at Princeton University and the President of the American Physical Society. He previously taught at Princeton in the physics department and at the California Institute of Technology. His undergraduate degree, in physics, is from Swarthmore College (A.B., 1954) and his doctorate, also in physics, is from Cornell University (Ph.D., 1958).

Hopfield was born in 1933 to the Polish physicist John Joseph Hopfield and Helen Hopfield. Helen was the older Hopfield's second wife. He is the sixth of Hopfield's children and has three children and six grandchildren of his own.

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