Oscar ("Ed") Gilbert was a Marine Corps artilleryman and subsequently a geoscientist specialising in internatinal oil exploration. He is the author of an acclaimed series of works on US Marine Corps tank actions, from World War II to Korea and Vietnam to the 21st-century Middle East. He has also, with Romain Cansiere, written Tanks in Hell, a close examination of a Marine Corps tank company in the horrific battle for Tarawa.
