Quantum computing began in 1980 when physicist Paul Benioff proposed a quantum mechanical model of the Turing machine.
Paul Benioff
Richard Feynman and Yuri Manin later suggested that a quantum computer had the potential to simulate things a classical computer could not possibly do.
Richard Feynman
Yuri Manin
Later in 1985 David Deutsch of the University of Oxford described the construction of quantum logic gates for a universal quantum computer.
David Deutsch
In 1998, Issac Chaung of the Los Alamos National Laboratory made the first ever Quantum Computer.