From FiveThirtyEight:

You probably don’t know the name Grace Hopper, but you should.

As a rear admiral in the U.S. Navy, Hopper worked on the first computer, the Harvard Mark 1. And she headed the team that created the first compiler, which led to the creation of COBOL, a programming language that by the year 2000 accounted for 70 percent of all actively used code. Passing away in 1992, she left behind an inimitable legacy as a brilliant programmer and pioneering woman in male-dominated fields.

Hopper’s story is told in “The Queen of Code,” directed by Gillian Jacobs (of “Community” fame). It’s the latest film in FiveThirtyEight’s “Signals” series.