Grace Hopper was born on December 9, 1906, in New York City, United States. She was the rear admiral in the U.S. Navy and computer scientist who made significant contributions in computer programming. In 1944, she worked on the making of the Harvard Mark I computer,  the first large-scale automatic calculator and a precursor of electronic computers. In 1949, she developed one of the first compilers, which translated a programmer’s instructions into computer codes, and coined the word “compiler”. She has also coined the term “Debugging,” which refers to fixing errors in computer code. Throughout her career, Hopper was a trailblazer for women in technology, and she received numerous awards and honors for her pioneering work in computer science. Grace Hopper passed away on January 1, 1992, in Arlington, Virginia, United States.