H. W. Gibson
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Henry William Gibson (1867 - )
Henry William Gibson was a leading member of the YMCA. An author of several books on camping, he was also a lecturer at Boston University, and is credited with introducing the term 'boyology' to refer to the writing about the biological and social development of boys.
https://babel.hathitrust.org/cgi/pt?id=mdp.39015028127911&seq=7
