Who was a Canadian-American engineer who designed the Project Babylon "supergun" for the Iraqi government. and founded a corporation for his Project HARP for the United States and Canadian federal governments?
Gerald Bull: Gerald Vincent Bull (March 9, 1928 – March 22, 1990) was a Canadian-American engineer who developed long-range artillery. Gerald Bull:  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.
i don't know