Since computing began in the 1940s, women have led major developments in programming and software development. In 1984, 37 percent of computer-science majors were women. What happened? The tech industry's image shifted rapidly in the 1980s and ’90s, and society began to associate programming with men. Today, only one in four computing jobs is held by a woman. This short, animated history of women in tech explains how women—not just men—developed computer science. Programming isn't a male or female job, and remembering that is necessary to fix the tech industry’s gender gap. Read more in The Atlantic’s April 2017 cover story, “Why Is Silicon Valley So Awful to Women?”