Can Programming Be Liberated from the von Neumann Style? (1977) [pdf]

A better question would be: Should programming be liberated from the von Neumann style?

Discussion from around 6 months ago: https://news.ycombinator.com/item?id=13210988

It is probably the first paper where FP ideas are introduced. I remember this title so well even after almost 40 years because my junior year CS thesis was based on this paper!