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(Biography) Wilhelm (ˈvɪlhɛlm). 1853–1932, German chemist, noted for his pioneering work in catalysis. He also invented a process for making nitric acid from ammonia and developed a new theory of colour: Nobel prize for chemistry 1909
Wil•helm (ˈvɪl hɛlm) 1853–1932, German chemist: Nobel prize 1909.