Hans Wilhelm Geiger
/ˈɡʌɪɡə
/ (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.
- market timing
- market town
- market trader
- market valuation
- market value
- market wagon
- market woman
- markhor
- marking
- marking-down
- marking flag
- marking ink
- marking-nut tree
- marking-off
- marking-out
- marking pen
- marking scheme
- marking system
- marking-to-market
- marking-up
- markka
- markland
- markless
- markman
- Markobrunn