Herman Heinrich Spitz (March 2, 1925 – February 11, 2019) was an American psychologist known for his work measuring intelligence among those with developmental disability.
Johnstone Training and Research Center, which was a state institution for adolescents and young adults with upper-level intellectual disability in Bordentown, New Jersey, until he retired in 1989.
Spitz studied concepts such as mental age,[1] and the abilities of autistic savants.
[5] He also looked at the hereditarian hypothesis for general intelligence factor by examining Wechsler subtest patterns among test-takers with intellectual disability.
[6] In 1994 he was one of 52 signatories on "Mainstream Science on Intelligence,[7]" an editorial written by Linda Gottfredson and published in the Wall Street Journal, which declared the consensus of the signing scholars on the measurement and significance of intelligence following the publication of the book The Bell Curve.