"(Hans) (Berger)" returned 3 hits

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Author: Hans Berger (1873-1941)
Electroencephalograph invented, to record electrical signals from the brain via galvanometers that measure electrical signals from electrodes on the scalp. EEGs were printed on multiple-pen, strip-chart recorders, with each channel showing the the amplitude from a given electrode.
Mediaitems: Berger portrait, EEG machine
Category: Technology
Authors: Michel Sch├╝pbach & Hans Riedwyl (1935-2001)
Sieve diagram, for representing frequencies in a two-way contingency table
Mediaitems: Sieve diagrams applet, Riedwyl portrait, Riedwyl bio and portrait, Sieve diagram image
Category: Statistics & Graphics
Author: Hans Rosling (1948-)
The moving buble chart.
Mediaitems: Buble chart for HIV, Buble chart for the World, Hans Rosling, Gapminder home page
Category: Statistics & Graphics