Final answer:
Jane Goodall is the primatologist who conducted extensive studies on chimpanzees in Tanzania's Gombe National Park, revealing their use of tools and complex societal structures.
Step-by-step explanation:
The renowned primatologist who studied chimpanzees in Tanzania, Africa, is Jane Goodall. Her groundbreaking observations and research took place in Gombe National Park, where she uncovered the complex social behaviors of chimpanzees, including their ability to use and make tools. This discovery at Gombe has been instrumental in understanding the behavioral differences among chimpanzees in various habitats and has provided valuable insights into the cognitive abilities of primates, shedding light on human evolution.