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"Sarcasm aside, I'm still mourning the loss of a real hero. Dr. Karl Klager. He made the fuel for the 3,4,&5 stages. He did all our rocket fuels. This country gained much when he came and lost much with his passing."

Us rocket guys say, "propellant", not "fuel". Fuel is usually one-half of propellant.

Apollo used no solid fuels except on the escape rocket. It was powered by liquid oxygen, kerosene (RP-1), and liquid hydrogen. I do not believe Dr. Klager had any part in any of those substances.

--Boris

As I said before, he had the patent on the 3,4 and 5 stages. I know nothing of propellant or fuel. I do know he had over 150 patents. All for propellants or fuels or whatever. This was documented.

The obituary I have from the Sacramento Bee says:

"After emigrating to the United States, the Austrian-born chemist became a world-renowned pioneer in rocket propellants, inventing key ingredients to fuel the Polaris, Minuteman, Titan, Gemini, and Apollo engines and achieving most of those breakthroughs at Aerojet in Rancho Cordova.

Along the way he descovered and developed ingredients for solid and liquid rocket fuel that became industry standards, according to a NASA history of rocketry.

Dr. Klager received the U.S. Navy Distinguished Public Services Award in 1958 for his work on the Polaris missile."

There are quotes in the obituary from Jerry Lewelling. Check the link I provided earlier and do some research. His wife, Elizabeth, has moved to the Tacoma area to be with there son. He was a dentist in the Army now retired.