 He wanted this kept secret, and we need to exploit it for a possible super weapon of war, is what FDR said. And Mr. Thomas Cantwheel is probably a pseudonym, but he was a CIA agent who once worked in Army intelligence, and he typed up a memo in the late 90s while he was ill with cancer and said, I got some secrets to spill, and he sent it to a researcher. And one of the top secrets, in fact, the first one he wanted to get off his chest