Andy Weir

American writer (born 1972)

The science fiction novel The Martian began as a free serial published on the author's personal website. After readers requested a Kindle version, the book achieved significant commercial success, reaching The New York Times bestseller list in 2014. This project launched the professional literary career of Andy Weir, who previously worked in software development.

Early Background and Software Career

Born in 1972 in Davis, California, Weir grew up in Livermore. He attended Livermore High School and later studied computer science at the University of San Diego without graduating. His professional background includes roles as a programmer for companies such as AOL, Palm, MobileIron, and Blizzard. During his tenure at Blizzard, he contributed to the video game Warcraft II: Tides of Darkness. Before finding success in fiction, he maintained a personal website where he published short stories and web comics, including Casey and Andy and an earlier iteration of Cheshire Crossing.

THE FREE TEST
How high is yours?

Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.

Take the IQ test →

Literary Breakthroughs and Hard Science Fiction

Weir gained initial attention for his 2009 short story The Egg. His debut novel, The Martian, emphasized scientific accuracy through research into botany, orbital mechanics, and human spaceflight. Following its print publication by Crown Publishing Group, the book was adapted into a 2015 film. His subsequent novel, Artemis, released in 2017, features a narrative set on the Moon. In 2021, he published Project Hail Mary, a novel following a biologist named Ryland Grace. This work secured the 2022 Seiun Award for Best Translated Long Work and served as the basis for a film production directed by Phil Lord and Christopher Miller.

Professional Recognition and Ongoing Projects

Weir has received numerous accolades for his science fiction, including the Astounding Award for Best New Writer in 2016 and multiple Dragon Awards. His work has been recognized internationally, receiving honors such as the Geffen Award and the Ignotus Award. Beyond his novels, he has explored other formats, such as the graphic novel adaptation of Cheshire Crossing, published in 2019. As of 2026, he continues his writing career with a project focusing on artificial intelligence.

Fast facts

Questions readers ask

What is the premise of Project Hail Mary?

The novel follows Ryland Grace, a teacher and former biologist who wakes up on a spacecraft suffering from amnesia.

Was Andy Weir a professional writer from the start?

No, he spent years as a computer programmer and software developer before his self-published work on his website gained enough traction to launch a full-time writing career.

Achievements

Compare with the greats

Bobby Fischer vs James Clerk MaxwellGregor Mendel vs Karl MarxGarry Kasparov vs Mark TwainAda Lovelace vs Terence Chi Shen Tao
See the IQ Rankings →All comparisons →

Child prodigies

Sho YanoSho YanoMD-PhD at 21 — Korean-American Prodigy with Tested IQ Above 200Kim Ung-yongKim Ung-yongTested IQ 210 — Guinness Record Holder, NASA Engineer at 8, PhD…Anna PaquinAnna PaquinWon an Academy Award at eleven on her very first acting roleMomiji NishiyaMomiji NishiyaFirst Olympic women's street champion, winning gold at age 13
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge · Guess the genius
Scottish physicist who unified electricity, magnetism and light into one set of equations.
Tap your answer ↓
Which Genius Are You? Free IQ Test