Counterintelligence failures highest counter-intelligence officers, with severe effects on morale. Peter Wright, while later extremely controversial about revelations his 1987 book, "Spycatcher: The Candid Autobiography of a Senior Intelligence Officer", also developed techniques that allowed the UK to track numerous Soviet clandestine agents, and agents under diplomatic cover . James Jesus Angleton, the legendary CIA director of counterespionage and a poet himself, used T. S. Eliot's term "an infinity of mirrors" to describe the intricacies of agent to double agent to triple agent so common in counterespionage, with works describing him as paranoid, while others described him as brilliant. Perhaps the truth
The Wright Brothers (book) McCullough recalled, "I didn't know when (chronologically) I was going to end that book, and who do I run into in France but the Wright brothers." He continued, "I was delighted to find that Wilbur, at every chance, went to the Louvre to look at paintings, and the degree that he was moved by the great Gothic works of France was far beyond that of an ordinary tourist. [...] Much of what has been written about the Wright brothers (in French) has been ignored. That's what pulled me into doing the book." McCullough has had a lifelong interest in aviation.