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Why has nobody produced a documentary or oral history of the people who worked in the test kitchens that produced those thousands of cookbooks full of questionable (to our generations' palates) recipes?
There's got to be some fantastic stories there.
I mean, the Kitchen Sisters have a really fantastic radio (and now podcast) series called Hidden Kitchens which has a couple-few episodes about eating in midcentury America...
http://www.kitchensisters.org/stories/hidden-kitchens/
...but as far as I know there's nobody who's tried tracking down the people responsible for designing the recipes in the cookbooks for Better Homes & Gardens, Parade Magazine, those innumerable 32-64 page cookbooks full of recipes for Jello, Campbell's Soup, etc.