The Bicentennial Man is a novella

Novella

A novella is a written, fictional, prose narrative usually longer than a novelette but shorter than a novel. The Science Fiction and Fantasy Writers of America Nebula Awards for science fiction define the novella as having a word count between 17,500 and 40,000...

 in the Robot Series

Isaac Asimov's Robot Series

Isaac Asimov's Robot Series is a series of short stories and novels by Isaac Asimov featuring positronic robots.- Short stories :Most of Asimov's robot short stories are set in the first age of positronic robotics and space exploration...

 by Isaac Asimov

Isaac Asimov

Isaac Asimov was an American author and professor of biochemistry at Boston University, best known for his works of science fiction and for his popular science books. Asimov was one of the most prolific writers of all time, having written or edited more than 500 books and an estimated 90,000...

. It was awarded the Hugo Award

Hugo Award

The Hugo Awards are given annually for the best science fiction or fantasy works and achievements of the previous year. The award is named after Hugo Gernsback, the founder of the pioneering science fiction magazine Amazing Stories, and was officially named the Science Fiction Achievement Awards...

 and the Nebula Award

Nebula Award

The Nebula Award is given each year by the Science Fiction and Fantasy Writers of America , for the best science fiction/fantasy fiction published in the United States during the previous year...

 for best science fiction novelette of 1976.

According to the foreword in Robot Visions, Asimov was approached to write a story titled "Bicentennial Man" for a science fiction collection, along with a number of other authors who would do the same, in honor of the bicentennial of the United States.