Isaac Asimov was a Russian-born American writer and biochemist whose science fiction stories, particularly about robots and galactic empires, shaped the genre more than almost any other 20th-century author. Born on January 2, 1920, in Petrovichi, Russia, he came to the United States at age three, grew up in Brooklyn, New York, and went on to publish more than 500 books across a 53-year writing career before his death on April 6, 1992.
Early Life and Education
Asimov’s family immigrated to the U.S. when he was a toddler and settled in Brooklyn, where his parents ran a series of candy stores. He taught himself to read at a young age and devoured the science fiction magazines sold in his family’s shops. He graduated from Columbia University in 1939, then served during World War II before returning to Columbia for a Ph.D. in chemistry, which he completed in 1948.
Academic Career at Boston University
After finishing his doctorate, Asimov joined Boston University’s School of Medicine as an instructor of biochemistry. He was simultaneously doing cancer research and writing pulp science fiction stories in his spare time from his home in Somerville, Massachusetts. He eventually rose to the rank of full professor, though by that point his writing income had far surpassed his academic salary. He continued to hold the title for the rest of his life, even as his literary output made a traditional teaching schedule impossible.
The Three Laws of Robotics
Asimov is best known for creating the Three Laws of Robotics, a set of ethical rules programmed into fictional robots that became one of the most influential ideas in science fiction. The laws, first stated explicitly in a 1942 short story, are:
- A robot may not injure a human being or, through inaction, allow a human being to come to harm.
- A robot must obey orders given it by human beings except where such orders would conflict with the First Law.
- A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.
What made these rules so compelling wasn’t their simplicity. It was the way Asimov spent decades exploring how they could go wrong. His robot stories are essentially logic puzzles: situations where the three laws conflict with each other in unexpected ways, forcing characters to figure out why a robot is behaving strangely. The concept has since moved beyond fiction into real discussions about artificial intelligence and machine ethics.
Asimov also coined the word “robotics” itself, which he initially assumed already existed. It didn’t. The term, along with “positronic brain” (his fictional technology for robot intelligence), entered common usage and is now the standard name for the engineering field.
The Foundation Series
Asimov’s other landmark work is the Foundation series, which began as short stories published between 1942 and 1950 and was collected into three novels: Foundation (1951), Foundation and Empire (1952), and Second Foundation (1953). The premise draws directly from Edward Gibbon’s History of the Decline and Fall of the Roman Empire, transplanted to a galaxy-spanning civilization thousands of years in the future.
In the series, a mathematician named Hari Seldon develops “psychohistory,” a fictional science that uses statistical laws to predict the behavior of large populations. Seldon foresees that the Galactic Empire will collapse, plunging humanity into 30,000 years of chaos. He can’t prevent the fall, but he devises a plan to shorten the dark age to just one thousand years by establishing two Foundations at opposite ends of the galaxy. The novels follow centuries of political and social upheaval as Seldon’s plan unfolds, sometimes in ways no one anticipated.
Asimov later said he invented the concept spontaneously on his way to a meeting with his editor, John W. Campbell, and the two developed the idea together. The trilogy won a special Hugo Award in 1966 for “Best All-Time Series,” beating out Tolkien’s Lord of the Rings.
A Staggering Volume of Work
Asimov’s output is almost difficult to believe. Over his career, he wrote or edited roughly 504 books: 40 novels, 383 short stories, and more than 280 works of nonfiction, plus about 147 edited anthologies. His nonfiction ranged across science, history, mathematics, literature, humor, and religion. He wrote guides to Shakespeare, the Bible, and physics with equal enthusiasm. He typed constantly, often working on multiple books at once, and rarely took vacations.
He was also a prolific essayist. For decades he wrote a monthly science column for The Magazine of Fantasy and Science Fiction, producing hundreds of accessible, witty explanations of scientific topics for general readers. His gift was making complex ideas feel conversational, a skill that made him one of the most effective science communicators of his era.
Awards and Standing in Science Fiction
Asimov won five Hugo Awards and two Nebula Awards, the two most prestigious honors in science fiction. During his lifetime, he was considered one of the “Big Three” science fiction writers alongside Robert A. Heinlein and Arthur C. Clarke. Unlike Heinlein, whose talent was recognized immediately, Asimov later admitted that he “came up only gradually,” building his reputation story by story over the early 1940s.
He played a central role in what fans call the Golden Age of Science Fiction, a period that began around 1939 when Campbell’s magazine Astounding Science Fiction started publishing a new generation of writers. Asimov helped define a movement he called “social science fiction,” which shifted the genre away from gadgets and space opera and toward speculation about how technology and mathematics might reshape human societies and behavior.
Personal Beliefs and Public Life
Asimov was an outspoken secular humanist who served as president of the American Humanist Association from 1985 until his death in 1992. He was a vocal advocate for science education and rational thinking, frequently writing and speaking against pseudoscience and superstition. His public persona was warm, famously witty, and supremely confident. He loved wordplay, told jokes constantly, and was known for being remarkably approachable at conventions and public events.
Death and Later Disclosure
Asimov died on April 6, 1992, in New York City. His death was attributed to heart and kidney failure. A decade later, his second wife, Janet Jeppson Asimov, revealed the full story in a book titled It’s Been a Good Life. Asimov had contracted HIV from a contaminated blood transfusion during a bypass surgery years earlier, at a time when donated blood was not routinely screened for the virus. The family had kept the diagnosis private during his lifetime due to the intense stigma surrounding AIDS in the late 1980s and early 1990s.