Alwin Voigt
German school teacher and ornithologist · Educators · Lived 1852 to 1922 · aged 69
Alwin Voigt was a German ornithologist and a popularizer of bird study. He promoted the study of bird vocalization, and in 1894 he adapted musical notation for a concise description of bird calls, with dots and lines indicating timing and frequency. Line thickness was used to depict volume.
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Alwin Voigt is read about 1 times a day, in 2 languages.
A typical day, 30 days to 3 November 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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Category
Educators
Type
Educator
Status
Deceased
Dates
Lived 1852 to 1922 · aged 69