Jeffrey Armstrong is an aerospace engineer and software developer living in Cleveland, Ohio. He has years of experience working in a variety of programming languages, including Fortran, Matlab, and Python. In the past he has worked in microgravity research, rocket trajectory validation and verification, and enterprise medical software fields. He currently participates in aircraft engine diagnostics research and develops a Fortran integrated development environment. Outside of work, he maintains a sizeable collection of vintage computer hardware and occasionally dabbles in programming competitions.