a person with advanced knowledge of one or more sciences

United States paleontologist and popularizer of science (1941-2002)

English paleontologist whose account of fossil discoveries in Tanzania changed theories of human evolution (1903-1972)

English paleontologist (the wife of Louis Leakey) who discovered the Zinjanthropus skull that was 1,750,000 years old (1913-1996)

English paleontologist (son of Louis Leakey and Mary Leakey) who continued the work of his parents; he was appointed director of a wildlife preserve in Kenya but resigned under political pressure (born in 1944)

English comparative anatomist and paleontologist who was an opponent of Darwinism (1804-1892)

the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil

United States paleontologist and popularizer of science (1941-2002)

English paleontologist whose account of fossil discoveries in Tanzania changed theories of human evolution (1903-1972)

English paleontologist (the wife of Louis Leakey) who discovered the Zinjanthropus skull that was 1,750,000 years old (1913-1996)

English paleontologist (son of Louis Leakey and Mary Leakey) who continued the work of his parents; he was appointed director of a wildlife preserve in Kenya but resigned under political pressure (born in 1944)

English comparative anatomist and paleontologist who was an opponent of Darwinism (1804-1892)