Well Done Chaps.
Quoted from the pages of "The Australian"
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SIR MARCUS OLIPHANT Born with an insatiable curiosity, Marcus Oliphant was behind two major World War II inventions.
The first was a radar device called the magnetron, which gave the Allies a huge advantage tracking down enemy planes and ships.
The second invention was the nuclear bomb. The Adelaide boy was a pivotal member of The Manhattan Project that created the atomic bombs dropped on Japan.
Though seen as a hero, his discovery haunted him. When one bomb destroyed Hiroshima, he said: "Proud that (it) worked, and absolutely appalled at what it had done to human beings."
After the war he helped establish the Australian National University in Canberra and in 1971 he was appointed Governor of South Australia.
I hope that I was not too "painful" with my clues
Over to you Slipped Disc.