March 9 - Gerald Bull, engineer and artillery designer (d.1990)

In the sixties and seventies Gerald Bull experimented with long range artillery.

March 22 - Gerald Bull, engineer and artillery designer (born 1928)

No one knows who killed Gerald Bull.

One of the Western arms salesmen was Gerald Bull.

Gerald Bull may finally get his gun.

Gerald Bull, engineer and artillery developer, designer of the Project Babylon "supergun"

March 8 - Gerald Bull (died 1990), engineer.

The former is a bit vulnerable and the later hasn't been considered since Gerald Bull.

The supergun design by Gerald Bull was never fully constructed after Bull's assassination in March 1990.