- Wil·helm Max [vil-helm mahks] /ˈvɪl hɛlm ˈmɑks/, 1832–1920, German physiologist and psychologist.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Wilhelm Max (ˈvɪlhɛlm maks). 1832–1920, German experimental psychologist
- German physiologist who founded the first experimental psychology laboratory. His Principles of Physiological Psychology (1873-1874) is considered a classic text.