I find it interesting that the open kitchen and living area has become so popular during the past few decades. Back in the says, rich families had servants cooking for them, so those kitchens would be very detached from the living area. After the Second World War, when many families couldn't afford servants anymore, the invention of the Frankfurt kitchen brought formed our modern understanding of kitchens and cooking:
"We’re used to thinking of kitchens as a universal kind of room that almost everyone has—as essential as a place to sleep, or a bathroom. Our great-great-grandparents were not."
https://www.citylab.com/design/2019/05/modern-kitchen-histor...