Lyman Spitzer

American astrophysicist Lyman Spitzer Jr. first proposed the concept of a space-based observatory in 1946. His decades of relentless advocacy earned him the title of 'Father of the Hubble Space Telescope.'

Yes, NASA launched the Spitzer Space Telescope in 2003 as one of its four Great Observatories. It was named in his honor to recognize his pioneering theoretical work on space astronomy.

Alongside his astronomical work, Spitzer was a pioneer in plasma physics and nuclear fusion. In 1951, he founded the Princeton Plasma Physics Laboratory and invented the Stellarator, a device designed to confine hot plasma for fusion reactions.

Spitzer conducted foundational research into the gas and dust that exist in the space between stars. His work in the mid-20th century helped scientists understand star formation and the physical properties of the interstellar medium.