Ambrose was born in Lovington, Illinois, to Rosepha Trippe Ambrose and Stephen Hedges Ambrose. His father was a physician who served in the U.S. Navy during World War II.

In 2002, Ambrose was accused of plagiarizing several passages in his book The Wild Blue. Fred Barnes reported in The Weekly Standard that Ambrose had taken passages from Wings of Morning: The Story of the Last American Bomber Shot Down over Germany in World War II, by Thomas Childers, a history professor at the University of Pennsylvania. Ambrose had footnoted sources, but had not enclosed in quotation marks numerous passages from Childers's book.  Ambrose asserted that only a few sentences in all his numerous books were the work of other authors. He offered this defense:  I tell stories. I don't discuss my documents. I discuss the story. It almost gets to the point where, how much is the reader going to take? I am not writing a Ph.D. dissertation.  I wish I had put the quotation marks in, but I didn't. I am not out there stealing other people's writings. If I am writing up a passage and it is a story I want to tell and this story fits and a part of it is from other people's writing, I just type it up that way and put it in a footnote. I just want to know where the hell it came from.  A Forbes investigation of his work found cases of plagiarism involving passages in at least six books, with a similar pattern going all the way back to his doctoral dissertation. The History News Network lists seven of Ambrose's more than 40 works--The Wild Blue, Undaunted Courage, Nothing Like It In the World, Nixon: Ruin and Recovery, Citizen Soldiers, The Supreme Commander, and Crazy Horse and Custer--contained content from twelve authors without appropriate attribution from Ambrose. Answer this question using a quote from the following article:

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Ambrose asserted that only a few sentences in all his numerous books were the work of other authors.