I believe - although it's obviously highly possible I'm wrong - that the idea was first attributed to Jan Gehl, the Danish architect and urban planner. Certainly it's one of the first ideas I came across in architecture school, and at it's core is the idea that we should be designing and making spaces that are accessible, sustainable, that we want to spend time in, and that most of the stuff we need is within x number of minutes travel.
I believe - although it's obviously highly possible I'm wrong - that the idea was first attributed to Jan Gehl, the Danish architect and urban planner. Certainly it's one of the first ideas I came across in architecture school, and at it's core is the idea that we should be designing and making spaces that are accessible, sustainable, that we want to spend time in, and that most of the stuff we need is within x number of minutes travel.
https://www.archdaily.com/801431/jan-gehl-5-rules-for-designing-great-cities
https://www.pps.org/article/jgehl
https://www.youtube.com/watch?v=9_x5Hor2MP8