나중에 제가 데이비드 그레이비어드(회색수염)라고 이름지은 수컷이었는데, 암튼 당시 학계에서는 침팬치의 이름을 짓지 못하게 하고, 더욱 과학적이라는 이유로 번호를 붙이도록 했죠.
It was, fortunately, one adult male whom I'd named David Greybeard -- and by the way, science at that time was telling me that I shouldn't name the chimps; they should all have numbers; that was more scientific.