Interesting that I had never heard of this. I graduated in computer science from Purdue in 1981, my first job was working on a FORTRAN compiler and other devel

Interesting that I had never heard of this. I graduated in computer science from Purdue in 1981, my first job was working on a FORTRAN compiler and other development tools for commercial avionics embedded systems and then as an early adopter of Ada for same. But I don't know how much that domain overlaps with process control.