If you are reading this, thank this woman. Her name is Grace Hopper, and she is one of the most under appreciated computer scientists ever. You think Gates and Jobs were cool? THIS WOMEN WORKED ON COMPUTERS WHEN THEY TOOK UP ROOMS. She invented the first compiler, which is a program that translates a computer language like Java or C++ into machine code, called assembly, that can be read by a processor. Every single program you use, every OS and server, was made possible by her first compiler.