a true pioneer in chimpanzee field research, nishida inspired many students, collaborated with numerous international colleagues, and left one of the most impressive publication records of any primatologist (a complete list can be found in. nishida was a most dedicated scientist who in his early career spent years, and later many months per year, under relatively primitive circumstances, without tap water or electricity, at kasoje, at the foot of the mountains. as a result, he knew all chimpanzees in several groups, he observed them as infants, saw them grow up as juveniles, and followed them through their prime into old age.