John Gittelsohn and Deborah Belgum

John Gittelsohn and Deborah Belgum

Kres Harytono via Bloomberg

John Gittelsohn and his wife Deborah Belgum with a female orangutan at Camp Leakey on the Indonesian island of Borneo. Orangutans, usually reclusive, are approachable at Camp Leakey, which has been a ``rehabilitation'' center since 1971 for apes that are re-learning to live in the wild after being captured or orphaned.