(1882–1945), German nuclear physicist; full name Hans Johann Wilhelm Geiger. In 1908 he developed his prototype radiation counter for detecting alpha particles, later improved in collaboration with Walther Müller.
Definition of Geiger, Hans Wilhelm in US English:
Geiger, Hans Wilhelm
proper nounˈɡīɡər
(1882–1945), German nuclear physicist; full name Hans Johann Wilhelm Geiger. In 1908, he developed a prototype radiation counter for detecting alpha particles.