This was the model of the Atomarium unveiled by Mayor Lindsay in 1967.
But this publicity book from June of 1966 reveals an earlier concept:
Max O. Urbahn replaced Wallace Harrison as the architect. The $7.6 million cost of the original Hall of Science, twice the initial projections, was too much form, too little function for Robert Moses. In her biography of Harrison, Victoria Newhouse wrote that Harrison stoically commented “The minute I finished it, Moses gave it to Max O. Urbahn. He was no good as a designer, but he was practical; he was going to change the whole approach to the project.”
But back to the pitch:
The Hall of Science expansion would fill a void in New York’s cultural pantheon:
Read more about the history of the Hall of Science in the NYSCI Archives.