Current Wentzville, Missouri Population, Demographics and stats in 2016, 2017.
David Wechsler. developed an intelligence test for adults in the US (WAIS), an intelligence test for children (WISC, which has been revised and is now the WISC-IV), and an intelligence test for preschool (WPPSI).
Although Lewis Terman later supplanted Goddard as the authoritative voice on intelligence testing, it was Goddard who created the intelligence testing industry. Thus, he's responsible for popularizing psychological science in America and providing psychology practitioners with their chief assessment tool.