louis leakey, leakey, konrad lorenz, genus australopithecus, georges cuvier, primatologist, mountain gorilla, fred hoyle, ethologist, olduvai gorge, paleobotanist, conservationists, palaeontology, palaeontologist, zoologists, jan tinbergen, nobel laureate, great ape, palaeoanthropology, botanist, kilimanjaro, nobelist, sir francis galton, brown hyena, ian wilmut, woolly rhinoceros, ashley montagu, galapagos islands, bushmen, thomas malthus, hermann von helmholtz, sociobiology, knut, trygve lie, masai, benjamin spock, fridtjof nansen, diplodocus, great rift valley, francois mauriac, devonian period, paleoanthropology, anatomist, marie stopes, paleontologist, murage, olduvai, emanuel swedenborg, lake tanganyika, africanus, giant tortoise, haile selassie, ecologists, fossey, alexis carrel, geneticist, panthera, mangabey, kenneth kaunda, leo esaki, mandrills, andreas vesalius, robert hooke, theophrastus, nyerere, nyoro, karen blixen, karl landsteiner, eugene wigner, jane goodall, nelson rolihlahla mandela, ichthyosaur, gunnar myrdal, giraffa camelopardalis, william hogarth, glenn t. seaborg, pan troglodytes, ichthyologist, hideyo noguchi, taxonomists, georg wilhelm friedrich hegel, soyinka, norbert wiener, simon kuznets, zambian, stegodon, irving langmuir, hippopotami, rhincodon typus, mwalimu, panthera leo, teilhard de chardin, elephant shrew, pongo pygmaeus, pierre teilhard de chardin, geochelone, pygmies, rhino, kaunda, osteologist, francois rabelais, gerhard herzberg