This story appears in the January 1970 issue of National Geographic magazine. For the past three years I have spent most of my days with wild mountain gorillas. Their home, and mine, has been the ...

This story appears in the October 1971 issue of National Geographic magazine ... slightly downhill from the gorilla who stared at me. We were both in a forest on Mount Visoke in Rwanda, where ...

which the National Geographic Society has supported throughout, I discovered that these powerful but shy and gentle animals accepted and responded to my attentions when I acted like a gorilla.

This story appears in the September 2017 issue of National Geographic magazine. Shortly after dawn two mountain gorillas swing gracefully over the shoulder-high stone wall that borders Volcanoes ...