Lyman Spitzer and the Hubble Telescope: Lifelong Endeavor | AMNH https://www.amnh.org/learn-teach/curriculum-collections/cosmic-horizons-book/lyman-spitzer-hubble-telescope
The idea of launching a telescope into orbit was first suggested in 1923, but the idea wasn’t realized until nearly 70 years later.
atmosphere, had been suggested as far back as 1923 by the German