Strangely enough, he asserted it was living in substandard Chicago apartment blocks that lead to the sickness and death of his first daughter and the birth of his second daughter that brought him to the 'lightful housing' that ultimately lead to the Dymaxion houses.
Here's Reyner Banham poking fun at Bucky Fuller and François Dallegret:
https://klaustoon.wordpress.com/category/reyner-banham/
Includes a discussion of
A Home Is Not A House that is really off-topic.