These are books about the far future. 
These are famous books about the far future. 
A man named Hari Seldon uses math to help. He finds a way to predict the future. He sees that the empire will fall. This will lead to a dark age.
He makes a plan to help people. His plan makes the dark age much shorter. He wants to help a new empire rise.
Many people love these stories. They show how big groups of people change. These books are very special to readers.
The Foundation series is a famous set of science fiction books. 
The stories take place in the far future. A big empire rules the Milky Way galaxy. A smart man named Hari Seldon uses math to study people. He calls this new math psychohistory. This math helps him see the future of large groups. Seldon sees that the empire will fall. This fall will lead to a dark age. It might last 30,000 years!
Seldon makes a plan to help. He wants to make the dark age much shorter. He hopes a new empire will rise in only 1,000 years. His plan helps guide the way through big changes.
Asimov wrote many books in this series. He wrote the original trilogy. He also wrote sequels and prequels later. These books link together many different stories. Some stories even include robots. The series won a big award called the Hugo Award. Many people say these books changed how they think about history and math.
The Foundation series is a famous collection of science fiction stories. 
The stories follow a very interesting idea called psychohistory. This is a new kind of math that studies how large groups of people act. A mathematician named Hari Seldon uses this math to see the future. He realizes that a huge Galactic Empire ruling the Milky Way is about to fall. This fall will lead to a dark age that lasts 30,000 years. Seldon cannot stop the empire from falling, but he has a clever plan. He wants to guide the events so the dark age only lasts 1,000 years. His plan helps a new empire rise much sooner than expected.
Isaac Asimov first shared these ideas as short stories in a magazine. He published them between 1942 and 1950 in a magazine called Astounding Science-Fiction. He came up with the idea while traveling to meet his editor, John W. Campbell. Asimov said his ideas were inspired by a book about the fall of the Roman Empire. He wrote many of these early stories in his apartment in West Philadelphia. Later, he turned these stories into the famous novels we know today. He even wrote sequels and prequels much later in his life.
There are many different books in this large universe. The original trilogy was published between 1951 and 1953. Later, Asimov wrote sequels like Foundation's Edge in 1982 and Foundation and Earth in 1986. He also wrote prequels called Prelude to Foundation and Forward the Foundation. These books connect to his other stories about robots. For example, a robot named R. Daneel Olivaw plays a big part in the history. The stories take place very far in the future, around the year 47,000 CE. The dates in the books can sometimes be a little bit fuzzy.
Many real people say these books changed how they see the world. A famous scientist named Carl Sagan said science fiction can teach us new things. An economist named Paul Krugman said these books made him interested in his job. Even a psychologist named Martin Seligman was influenced by the idea of predicting how people act. These stories show how history and math can work together in our imagination. They help us wonder about what might happen to humanity in the far future. It is a grand tale of survival and new beginnings.
The Foundation series is a landmark collection of science fiction literature. 
The central concept of the series is a science called psychohistory. This is a mathematical method used to study sociology, or the study of human societies. A mathematician named Hari Seldon develops this theory in the stories. Psychohistory uses statistical laws of mass action to predict the future of large populations. It cannot predict the actions of one person, but it can predict the movement of millions. Seldon uses these calculations to foresee the collapse of a massive Galactic Empire. This empire currently rules the entire Milky Way galaxy.
Seldon's mathematical models reveal a terrifying future for humanity. He predicts that the fall of the Empire will trigger a dark age. This period of chaos and loss is expected to last 30,000 years. While Seldon cannot stop the Empire from falling, he can influence how it happens. He creates a plan to deflect the momentum of these historical events. His goal is to limit the dark age to only 1,000 years. This plan aims to help a second empire rise much sooner than expected.
The series is organized into several distinct stages and types of books. The original stories began as short stories and novellas. They were published in Astounding Science-Fiction magazine between 1942 and 1950. Asimov later collected these into the famous trilogy published between 1951 and 1953. Later in his life, he wrote sequels to expand the story. These include Foundation's Edge (1982) and Foundation and Earth (1986). He also wrote prequels, such as Prelude to Foundation (1988) and Forward the Foundation (1993). These different eras allow readers to see the beginning and the end of Seldon's vision.
Asimov's writing history is deeply connected to his other works. He eventually tied the Foundation series into his various Robot stories. This created a single, unified fictional universe. For example, the robot R. Daneel Olivaw plays a major role in both universes. This character lives for tens of thousands of years. He influences the Galactic Empire and the rise of the two Foundations. This connection helps explain the history of space settlements. It also touches on "Spacer culture," which involves different ways of living in space.
The timeline of the series is vast and somewhat imprecise. Asimov estimated that the events take place nearly 50,000 years in the future. He placed the birth of Hari Seldon around the year 47,000 CE. The events of the original trilogy occur around the start of the Foundation Era. The unpredicted rise of a mutant known as the Mule occurs around 47,300 CE. This character disrupts Seldon's plan by defeating the Foundation. Finally, the Second Galactic Empire is established around 48,000 CE. This marks the successful end of the predicted 1,000-year interregnum.
The series has had a profound impact on real-world thinkers. Many experts say Asimov's work changed how they view their own fields. Psychologist Martin Seligman noted the influence of predictive sociology on his work. Nobel Prize winner Paul Krugman credited the series with sparking his interest in economics. He viewed economics as the closest real science to the fictional psychohistory. Even the famous scientist Carl Sagan praised the series for conveying complex ideas. These connections show how science fiction can influence scientific and social thought.
🖼️ Images & Media (1)
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
🪜 Step back
Simpler topics to build understanding
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.