Analysis of information sources in references of the Wikipedia article "National Geographic (περιοδικό)" in Greek language version.
Photographs had unquestionably become the Magazine’s trademark. They confirmed GHG’s conviction, “If the National Geographic Magazine is to progress, it must constantly improve the quality of its illustrations...” At first he borrowed, then bought and probably would have stolen “dynamical” photographs, if in 1915 he had not engaged Franklin L. Fisher as his Chief of Illustrations.
Photographs had unquestionably become the Magazine’s trademark. They confirmed GHG’s conviction, “If the National Geographic Magazine is to progress, it must constantly improve the quality of its illustrations...” At first he borrowed, then bought and probably would have stolen “dynamical” photographs, if in 1915 he had not engaged Franklin L. Fisher as his Chief of Illustrations.