It became more popular in business circles, as it was applied to business analysis, than in academic circles.Īlso contributing were two related concepts: The structured design concept took off in the software engineering field, and the DFD method took off with it. They based it on the “data flow graph” computation models by David Martin and Gerald Estrin. Data flow diagrams were popularized in the late 1970s, arising from the book Structured Design, by computing pioneers Ed Yourdon and Larry Constantine.
