Kathleen Booth, who died on September 29, 2022, is also credited with inventing the first assembly language, a programming language designed to be user-readable. Her assembly languages ...

which is unfortunate as it’s usually the reference for where Kathleen first outlined her assembly language, or autocode, for ARC2. She also wrote the assembler for it. Andrew Booth’s next ...

Kathleen devised the ARC assembly language for the computer and designed the assembler. In 1950 Kathleen took a PhD in applied mathematics and the same year she and Andrew Booth were married.