Otto Lehmann

German physicist (1855-1922) · Germany · On the map · Scientists · Died at 67

Otto Lehmann was a German physicist and "father" of liquid crystal.

Otto Lehmann is read about 12 times a day, in 16 languages.

A typical day, 30 days to 19 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

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Germany