Geiger Counter – 1908 - Magnet Academy

Counting alpha particles was tedious and time-consuming work, until Hans Geiger came up with a device that did the job automatically.

Sears

old school still cool

Advances in nuclear detection and readout techniques

September 24, 1945 - Death of Hans Geiger, German physicist who developed the counter that bears his name - Rincón educativo

Reuters Top 100 Most Innovative Universities 2019

Physics Page - Johannes Hans Wilhelm Gengar Geiger (30

From Atoms to Nuclei: An Inward Journey

Royal Academy - an overview

Rutherford's Nuclear World: The Story of the Discovery of the Nucleus, Sections