Alamo Girl
PASCAL was invented by physiologists after studying how computer programmers think. It was NEVER intended to be an actual programming language. Of course, the DOD adapted PASCAL for their use and called it ADDA. For the next few years, the military required all new software to be written in the ADDA language.
At the same time, a new Macro Assembler had been created for the PDP-11 computer. As an Assembler, it would produce highly efficient machine code, but had a rather unique property.
You could develop and share subroutines written for other computers, while retaining the ability to translate this software for your own specific computer.
Today, we know this innovative computer language as "C".