William Tecumseh Sherman Fitch III (born 1963)[1] is an American evolutionary biologist and cognitive scientist at the University of Vienna (Vienna, Austria) where he is co-founder of the Department of Cognitive Biology.
His work concentrates on comparative approaches as advocated by Charles Darwin (i.e., the study of homologous and analogous structures and processes in a wide range of species).
He bears the name of his third-generation great-grandfather, Civil War General William Tecumseh Sherman, as did his father and grandfather before him.
The model showed that a macaque could produce a variety of vowel and non-vowel phonemes adequate for intelligible speech.
in a recognizable manner, demonstrating that the anatomy of monkeys does not limit them from producing complex speech.