HCI is generally not attributed to a single inventor; what was the underlying reason for its emergence?

Answer

It emerged iteratively from the transition of computers into personal, accessible tools.

The text states that HCI emerged as a necessary, iterative discipline stemming from the transition of computers from massive calculation engines to personal tools because the interface became the critical bottleneck.

HCI is generally not attributed to a single inventor; what was the underlying reason for its emergence?
inventorhumancomputerinteraction