Complex sentence: In 1954, language FORTRAN was invented at IBM by John Backus; it was the first widely used high level general purpose programming language to have a functional implementation, as opposed to just a design on paper.
Split into simpler sentences: In 1954, FORTRAN was invented at IBM by John Backus. It was the first widely used high level general purpose programming language to have a functional implementation, as opposed to just a design on paper.