He loved artillery, and did work (1960s) with NASA trying to work out a way to shoot satellites into orbit.
The Pentagon declined to purchase his howitzer and shell design, even though the combination had greater range and accuracy.
He got into trouble (1970s) selling his stuff to the then embargoed South Africa, and eventually ended up working for Saddam (1980s).
He was taken out in Brussels, iirc.
Now, they could use him...
South Africa hired him to improve their 155mm artillery and Israel would be wise to adopt the long range guns the South Africans use. These guns are truck mounted and have ranges over 40 km. Bull was contacted by the Iraqis through intermediaries and got hooked when he was told he could build his life's dream — the “super gun.” Word is that the Mossad assassinated him after warning him no less than three times not to pursue the project. The Israelis also leaked word to British customs who seized the last barrel sections that Saddam needed to complete his super gun.
His name was Gerald Vincent Bull March 9, 1928 – March 22, 1990 was a Canadian engineer who developed long-range artillery. He moved from project to project in his quest to economically launch a satellite using a huge artillery piece, to which end he designed the Project Babylon “supergun” for the Iraqi government. Bull was assassinated outside his apartment in Brussels, Belgium. He sold his evil wares to the highest bidder, too bad so sad, Gerald is now taking a very long dirt nap!