Evolutionary-biologist sentence example

The German-born American evolutionary biologist Ernst Mayr (born 1904) helped lead the modern synthesis of evolutionary theory. Mayr made major contributions to ornithology, evolutionary theory and the history and philosophy of biology. He is best known for his work on speciation—how one species arises from another.

Lynn Margulis (born 1938) is a renowned theoretical biologist and professor of botany at the University of Massachusetts at Amherst. Her research on the evolutionary links between cells containing nuclei (eukaryotes) and cells without nuclei (prokaryotes) led her to formulate a symbiotic theory of evolution that was initially spurned in the scientific community but has become more widely accepted.